How to use pesticides in agriculture


Apply pesticides during the cooler part of the day, such as the early morning or evening. Add surfactants only when recommended on the pesticide label. Never use a sprayer for insecticides that was previously used to apply herbicides. Apply pesticides only after crops have been irrigated and show no signs of moisture stress.


Why do we use pesticides in farming?

 · o Label directions are strictly and carefully adhered to when using a pesticide product including paying attention to the “environmental Hazards” section of the label. o Apply the pesticide close to the target pest to minimize drift. o Apply pesticide using methods that are harmless to pollinators.

Do chemical fertilizers actually help in agriculture?

 · In agriculture, if farmers are applying pesticides to control pests, they often have to be certified pesticide applicator, which means they have to take a test to obtain their pesticide license and attend meetings to learn more information about applying pesticides safely. When farmers use pesticides, they have to read the pesticide label for instructions, wear necessary …

What are the dangers of chemical pesticides in agriculture?

There are 6 main types of pesticides that are being commonly used in most farms: Insecticides – used to deter insects from feeding on the produce Herbicides – used to kill malicious plants that damage crops Rodenticides – chemicals that protect plants from rodents Bactericides – kills bacteria on the surface (or inside) of the plant

How many pesticides does American agriculture use?

increases in crop yields over the past five decades. Properly applied, pesticides contribute to higher. yields and improved product quality by controlling weeds, insects, nematodes, and plant pathogens. In addition, herbicides reduce the amount of labor, machinery, and fuel used for mechanical weed. control.


How do farmers use pesticides?

They may use mechanical methods, such as tillage and hoeing by hand, to manage weeds. Some may release beneficial organisms in fields, especially when managing insect pests. They may also apply chemical pesticides, including herbicides, insecticides, and fungicides, usually through spraying the fields.

How do you apply plant pesticides?

Apply pesticides during the cooler part of the day, such as the early morning or evening. Treatments made in the early morning allow foliage to dry before temperatures reach 85–90°F. Take special precautions when using pesticides containing oil. Treat when conditions allow plants to dry quickly.

How do you spray pesticides on crops?

2:044:09Pesticidewise: spraying pesticides downwards using a knapsack sprayerYouTubeStart of suggested clipEnd of suggested clipWalk slightly to one side of the spray nozzle to avoid con with the sprayed vegetation. If you areMoreWalk slightly to one side of the spray nozzle to avoid con with the sprayed vegetation. If you are spraying a band or row spray only the target surfaces. For instance adjust your swath width.

What type of agriculture uses pesticides?

Industrial agricultureIndustrial agriculture relies on two types of chemicals: fertilizers and pesticides. The former boost soil fertility, making crops more productive, while the latter protect crops by controlling weeds (herbicides), insect and animal infestation (insecticides and rodenticides) and fungal/mold diseases (fungicides).

Can I spray insecticide on soil?

Spray insecticide into the loosened soil, and then begin turning it again with the trowel. Keep spraying and turning, careful to avoid the leaves, stems and roots of the plants you are treating, until you have used the recommended amount of insecticide.

How do you use a pesticide sprayer?

Pour water into your sprayer tank until it is about half full and close the tank lid. Pump the handle to pressurize the tank. Spray water onto a paved surface to check that your nozzle is spraying correctly and watch your equipment for leaks. Twist the nozzle end of the hose to adjust the spray to your needs.

Who is responsible for pesticides?

Pesticide applicators must be responsible when using pesticide products. They sometimes choose to use pesticides as pests would otherwise destroy their crop, but they must be good stewards to protect the environment, their families and other people, and also themselves.

What are the methods of pest control?

The control methods in integrated pest management include cultural, biological, mechanical, and chemical. As homeowners use a combination of ways to control pests, farmers also use these methods but in different ways. Depending on the audience, explain control methods from the example of a mouse in the house and/or the example of control pests in agriculture.

How to grow corn in a classroom?

Tell students we are going to try again to grow corn, so assume the first position of the corn seed, crouching down with feet on the ground . As the corn seed begins to grow and rises up out of the ground, have students begin to stand. Have them stand the whole way up, but keeping their arms crossed over their chest. Explain how another plant is growing right beside them. That plant is getting bigger, taking all the water, sunlight, and nutrients. The corn cannot grow anymore, so their arms have to stay crossed over their chest. Explain that a pest has just attacked the corn. Ask students what pest it was. Response would be a weed, another plant that is growing out of place. We had a pest problem and the corn did not grow.

What are the different types of pests?

Pests can be broken into four main categories 1 Vertebrate Pests#N#Have a backbone. Examples: Rodents, birds, reptiles, and other mammals 2 Invertebrate Pests#N#No backbone. Examples: Insets, spiders, ticks, slugs 3 Weeds#N#Any plant growing out of place. 4 Diseases#N#Fungi, bacteria, viruses, and other microorganisms.

How to teach students to eat corn?

Stand for a moment in that position, as the corn is growing, taking in water, sunlight and nutrients. Explain to students that something is in the corn field, eating the corn leaves.

What are the threats to food supply?

Pests can pose a serious threat to a food supply. A major food crop is corn, which supplies humans with food that we eat, food for animals, and corn ethanol used for fuel. There are many pests to corn, including vertebrates, invertebrates, weeds, and diseases.

What is the learning objective of pests?

A pest is an organism living and growing where they are not wanted and can cause damage to plants, humans, structures, and other creatures, including crops that are grown for food. Students will learn about different types of pests and the damage they cause, including an example of pests on corn.

Why are pesticides used in agriculture?

The biggest reason why using pesticides seems worth it to local farmers is because they are a cost-effective way to do more business if their produce is prone to pests. The reality is, that by “playing it safe” and avoiding the use of pesticides, the financial loss that professional growers will incur due to the loss of produce is far greater than the expenses required to purchase pesticides and prevent that from happening in the first place. On top of that, by actively and continuously making your crops “disease-proof”, the chance of the produce being infected in the future drops significantly.

Why do farmers use pesticides?

In order to protect crop health from pests that feed on or infect the plants themselves, farmers tend to use pesticides in order to retain their produce. This helps them prevent potential losses and maximize gains as more crops are produced and thus more are sold in the market.

How can farmers stop using pesticides?

The main way farmers can gain leverage that will allow them to quit the use of pesticides involves new agriculture technology and its adoption pace. Farmers who have sufficient knowledge and capital to invest in new equipment will have the ability to enjoy the benefits of IoT which will acutely increase their crop monitoring abilities. By knowing exactly when a crop is being attacked by fungus, bacteria or viruses, pesticide use can be used when needed rather than used on a continuous basis – this will reduce its potent negative effects. Moreover, the more data we gain by using AgTech on crop health, we will be able to pinpoint and manufacture more eco-friendly solutions that will aid in protecting crops from diseases without negative health effects for humans.

What are the negative effects of pesticides?

Those who are continuously exposed to pesticides are prone to developing respiratory diseases and serious illness es that include cancer, as some of the chemicals that pesticides consist …

What are the different types of pesticides used in farms?

There are 6 main types of pesticides that are being commonly used in most farms: Insecticides – used to deter insects from feeding on the produce. Herbicides – used to kill malicious plants that damage crops. Rodenticides – chemicals that protect plants from rodents. Bactericides – kills bacteria on the surface (or inside) of the plant.

What is the best way to kill rodents in plants?

Rodenticides – chemicals that protect plants from rodents. Bactericides – kills bacteria on the surface (or inside) of the plant. Fungicides – help plants in areas where they are prone to fungus infections. Larvicides – Used to effectively kill larva in areas where crops are prone to it.

Is pesticide bad for the environment?

Using these chemicals might sound like a great decision for the short-term, however, there are huge long-term disadvantages for using toxic chemicals for the soil on which the produce is grown on. At the end of the day, pesticides are poisons – toxic chemicals that don’t just harm the “malicious bugs” that attack plants, but the consumer, producer (farmer) and the environment as well. Valuable vitamins and minerals that the plants absorb from the soil are being “dissolved” by the pesticides, which causes plant health to deteriorate and produce low-quality gains for the long-run.

What do you need to know about pesticides?

What You Need to Know About Pesticide Use on the Farm. Pesticides serve many functions and come in many forms, including herbicides, insectici des, and fungicides. The ultimate goal in all cases is to increase crop yields by reducing competitive environmental factors. Weeds, bugs, and disease steal a plant’s health and nutrients, …

How fast should wind be for pesticides?

Generally you will want wind speeds of less than 10 mph. Talk to you insurance agent about coverage against damage to yours or your neighbor’s crops. Know your coverage and your limits. And always, always, always treat any pesticide with the utmost care. Used incorrectly, they can become an environmental hazard.

What is the best herbicide for weeds?

Herbicides reduce weed competition. The products on the market are many and varied. One of the more popular herbicides is dicamba. Dicamba kills annual and perennial broadleaf weeds by increasing plant growth rate until it outgrows its supply of nutrients and dies.

How to control Palmer Amaranth?

Other measures, such as reducing soybean row width, keeping the plants from going to seed, and planting cover crops can help reduce the pest’s impact.

How long is dicamba volatile?

Also beware protected species buffer requirements. And pay attention to timing. Dicamba can be volatile for up to three days, and the wind can shift and gust. There are time of day restrictions on dicamba application.

When to apply burndown herbicide?

Some farmers choose to apply a burndown herbicide before planting in the spring. This is especially crucial for no till planting. Most products have plantback restrictions of 7-30 days. Some burndown herbicides have residual activity, killing plants that overwinter crop pests such as the soybean cyst nematode.

What happens if you spray pesticides in a crossfire?

Pesticide drifting to unsuspecting plants in the crossfire can cause environmental damage, including destruction of pollinator and wildlife habitat. So, make sure you are using the right product, at the right time, with the right equipment, under the right weather conditions.

When to apply pesticides to crops?

Apply pesticides only after crops have been irrigated and show no signs of moisture stress.

How to improve efficacy of pesticides?

Improving Efficacy of Pesticides. Test the pH of the water before mixing pesticides. Many pesticides, especially organophosphates, are not effective when mixed in water with a pH greater than 7. If necessary, use a commercially available buffering agent to adjust the pH of water to be neutral (pH 7) or slightly acidic.

How does resistance work in pesticides?

Resistance is stimulated by widespread application of a pesticide but some individual pests survive and pass on genetic factors to the next generation . A chemical cannot adjust in response to genetic changes in the. pest population that help the pest survive the chemical application.

How do insecticides kill mites?

Most synthetic and botanical insecticides kill insects and mites by affecting very specific chemical pathways in the pest (interfere with nerve transmission, development, metabolism, digestion, etc.). The less specific the mode of action of an insecticide, the less likely it is that genetic mutations can be selected. Insecticidal soaps and horticultural oils both have broad modes of action and are, therefore, unlikely to allow for the development of resistance.

Why is it important to use fewer pesticides?

Delaying Pesticide Resistance. To use fewer pesticides, it is important that pesticides, when used, are effective at killing pests. Pests can become resistant to pesticides making the pesticide ineffective for management.

How to avoid tank mixes?

Avoid tank mixes (mixing two or more insecticides together to control a single pest) except in cases where research has demonstrated improved efficacy. Rotate insecticides with different modes of action. Use insecticides with non-specific modes of action whenever possible. The less specific the mode of action of an insecticide, …

Why is it important to treat pesticides according to label directions?

This is important for delivering the correct amount of active ingredient for effective control.

What is pesticide?

The term pesticide covers a wide range of compounds including insecticides, fungicides, herbicides, rodenticides, molluscicides, nematicides, plant growth regulators and others. Among these, organochlorine (OC) insecticides, used successfully in controlling a number of diseases, such as malaria and typhus, were banned or restricted after …

How do pesticides help the Indian economy?

This result has been achieved by the use of high-yield varieties of seeds, advanced irrigation technologies and agricultural chemicals (Employment Information: Indian Labour Statistics, 1994). Similarly outputs and productivity have increased dramatically in most countries, for example wheat yields in the United Kingdom, corn yields in the USA. Increases in productivity have been due to several factors including use of fertiliser, better varieties and use of machinery. Pesticides have been an integral part of the process by reducing losses from the weeds, diseases and insect pests that can markedly reduce the amount of harvestable produce. Warren (1998) also drew attention to the spectacular increases in crop yields in the United States in the twentieth century. Webster et al.(1999) stated that “considerable economic losses” would be suffered without pesticide use and quantified the significant increases in yield and economic margin that result from pesticide use. Moreover, in the environment most pesticides undergo photochemical transformation to produce metabolites which are relatively non-toxic to both human beings and the environment (Kole et al., 1999).

What is the pesticide use in India?

The pattern of pesticide usage in India is different from that for the world in general. As can be seen in Figure 1, in India 76% of the pesticide used is insecticide, as against 44% globally (Mathur, 1999). The use of herbicides and fungicides is correspondingly less heavy. The main use of pesticides in India is for cotton crops (45%), followed by paddy and wheat.

How many pesticides were used in 1996?

In 1996, seven pesticides (acephate, chlopyriphos, chlopyriphos-methyl, methamidophos, iprodione, procymidone and chlorothalonil) and two groups of pesticides (benomyl group and maneb group, i.e. dithiocarbamates) were analysed in apples, tomatoes, lettuce, strawberries and grapes.

What are the primary benefits of pesticides?

The primary benefits are the consequences of the pesticides’ effects – the direct gains expected from their use. For example the effect of killing caterpillars feeding on the crop brings the primary benefit of higher yields and better quality of cabbage. The three main effects result in 26 primary benefits ranging from protection of recreational turf to saved human lives. The secondary benefits are the less immediate or less obvious benefits that result from the primary benefits. They may be subtle, less intuitively obvious, or of longer term. It follows that for secondary benefits it is therefore more difficult to establish cause and effect, but nevertheless they can be powerful justifications for pesticide use. For example the higher cabbage yield might bring additional revenue that could be put towards children’s education or medical care, leading to a healthier, better educated population. There are various secondary benefits identified, ranging from fitter people to conserved biodiversity.

What are the high risk groups exposed to pesticides?

The high risk groups exposed to pesticides include production workers, formulators, sprayers, mixers, loaders and agricultural farm workers. During manufacture and formulation, the possibility of hazards may be higher because the processes involved are not risk free. In industrial settings, workers are at increased risk since they handle various toxic chemicals including pesticides, raw materials, toxic solvents and inert carriers.

Why is prevention of adverse health effects and promotion of health profitable investments for employers and employees?

There is a need to convey the message that prevention of adverse health effects and promotion of health are profitable investments for employers and employees as a support to a sustainable development of economics. To sum up, based on our limited knowledge of direct and/or inferential information, the domain of pesticides illustrates a certain ambiguity in situations in which people are undergoing life-long exposure. There is thus every reason to develop health education packages based on knowledge, aptitude and practices and to disseminate them within the community in order to minimise human exposure to pesticides.

Why are pesticides important in agriculture?

The Benefits of Pesticide Use in Agriculture. The point of pesticides is to protect plants from pests, weeds and diseases that have the power to destroy entire crops. Currently, up to 40% of the world’s potential crops are destroyed every year due to these threats.

How does pesticides benefit farmers?

At the same time, the use of pesticides has also benefited farmers, who can make better profits when they’re able to protect their crops without having to personally pull weeds or remove pests from fields on their own.

How do pesticides affect crops?

More specifically, pesticides can keep harmful pests –such as rats, mice, ticks and mosquitoes–away from crops while also protecting the plants from weeds and diseases that have the ability to greatly reduce crop yield. In fact, growth of major crops has tripled since 1960, mainly because of the use of pesticides.

What are some examples of pests that can be spread by insects?

For example, rats can carry the bubonic plague, while mosquitoes can spread malaria and fleas can spread typhus. Greatly reducing the number of these pests around crops can also reduce the number of human deaths caused by certain diseases.

How much of the world’s crops are destroyed every year?

Currently, up to 40% of the world’s potential crops are destroyed every year due to these threats. Without the use of pesticides, this percentage could quickly double. For this reason, all farmers in California and beyond use pesticides in some form, to protect their crops. Even organic farmers use pesticides, as they simply opt for natural …

How many types of weeds are there in the world?

Plants face numerous hazards that threaten to kill them off every day. In fact, there are more than 30,000 species of weeds alone, all of which can stunt plant growth and even damage entire crops. In addition, there are more than 10,000 types of insects that eat plants. Then there are the threats the plants have to face once they are pulled from the fields and put into storage–since insects, rodents and mold can all cause damage to them.

What happens if you don’t read the label on pesticides?

If you fail to read the label and follow the directions, you could be in violation of the law in California. So, if the label requests that you put a tarp over the affected area after you apply the pesticide, and you neglect to do so, you’re breaking the law regarding pesticide use and could be fined or jailed.

How do pesticides affect agriculture?

The increase in the world’s population in the 20th century could not have been possible without a parallel increase in food production. About one-third of agricultural products are produced depending on the application of pesticides. Without the use of pesticides, there would be a 78% loss of fruit production, a 54% loss of vegetable production, and a 32% loss of cereal production. Therefore, pesticides play a critical role in reducing diseases and increasing crop yi elds worldwide. Thus, it is essential to discuss the agricultural development process; the historical perspective, types and specific uses of pesticides; and pesticide behavior, its contamination, and adverse effects on the natural environment. The review study indicates that agricultural development has a long history in many places around the world. The history of pesticide use can be divided into three periods of time. Pesticides are classified by different classification terms such as chemical classes, functional groups, modes of action, and toxicity. Pesticides are used to kill pests and control weeds using chemical ingredients; hence, they can also be toxic to other organisms, including birds, fish, beneficial insects, and non-target plants, as well as air, water, soil, and crops. Moreover, pesticide contamination moves away from the target plants, resulting in environmental pollution. Such chemical residues impact human health through environmental and food contamination. In addition, climate change-related factors also impact on pesticide application and result in increased pesticide usage and pesticide pollution. Therefore, this review will provide the scientific information necessary for pesticide application and management in the future.

How were pesticides used in the past?

During the first period before the 1870s, pests were controlled by using various natural compounds. The first recorded use of insecticides was about 4500 years ago by Sumerians [8]. They used sulfur compounds to control insects and mites. About 3200 years ago, the Chinese used mercury and arsenical compounds to control body lice. There was no chemical industry, so all products used were derived directly from readily available animal, plant, or mineral sources. For example, volatile substances were often applied by “smoking”. The principle was to burn straw, chaff, hedge clippings, crabs, fish, dung, or other animal products, so that the smoke, preferably malodorous, could spread throughout the orchard, crop, or vineyard [8]. It was generally assumed that such smoke would eliminate blight or mildew. Smoke was also used against insects. People controlled weeds mainly by hand weeding, while various chemical methods were also reported [14]. Pyrethrum is obtained from the dried flowers of the chrysanthemum Cineraria folium, “pyrethrum daisies”, and has been used as an insecticide for over 2000 years.

What is spray drift?

Spray drift is the airborne movement of spray droplets receding from a treatment site during pesticide application [76,77,78,79], thus causing environmental pollution and food contamination [31,72,80,81,82,83,84]. For example, aquatic ecosystems are the recipients of various pesticide residues, such as chlorpyrifos (ChF), due to leaching spray drift and agricultural runoff and cause toxicity in aquatic organisms, thus the oxidative stress enzymes and histological alterations in the vital organs of tilapia due to ChF exposure were investigated; the result of the study shows that sub-lethal concentrations of ChF can induce oxidative stress and histological alterations in the tissues of tilapia [85]. Another example is that although unmanned aerial vehicle (UAV) applications at low volume using fine and very fine droplets have been adopted in several commercial spray scenarios, allowing water-saving and high-efficiency operation in the delivery of pesticides, spray drift associated with UAV applications, especially for fine droplets generated from spinning disk nozzles, has not been fully discussed, which could raise the environmental and regulatory concerns. The drift potential of three different volume median diameters (VMDs or Dv0.5) of 100, 150, and 200 from a commercial quadcopter equipped with centrifugal nozzles exposed to different wind speeds under field conditions was compared. The results show that flight speed and altitude have a significant effect on the distribution of the airflow field [80].

What is the literature review of pesticides?

This literature review firstly provides basic scientific information about the agricultural development process, the historical perspective of pesticide usage, general types of pesticide in use, and the role of pesticides in agriculture. Specific focus is then put on pesticide behavior in the environment, climate change-related factors in pesticide use and its adverse effects on the natural environment. Finally this study provides a new direction for the application and management of pesticides.

How do pesticides help the environment?

In terms of public health, pesticides are used in daily life to kill pests, including mosquitoes, ticks, rats, and mice in houses, offices, malls, and streets. As a result, the immense burden of diseases caused by these vectors has been substantially reduced or eliminated [21,23,26]. Insecticides are often the most practical way to control insects that can spread deadly diseases such as malaria, possibly resulting in an estimated death count of 5000 deaths globally each day [17]. In addition, pesticides are indispensable in agricultural production. They have been used by farmers to control weeds and insects in agricultural cultivation, and remarkable increases in agricultural products have been reported as a result of pesticide use [1,27]. To cope with demographic growth, there has been a significant increase in agricultural yield since the beginning of the 20th century. Within one century, population growth increased from 1.5 billion in 1900 to about 6.1 billion in 2000, corresponding to a world population growth rate three times greater than during the entire history of humanity. Since 2003, the world’s population has increased by yet another billion, and given the current growth rates, it is projected to reach 9.4–10 billion by 2050 [5]. The increase in the world’s population in the 20th century could not have been possible without a parallel increase in food production. Although increases in food productivity have been due to several factors, including the use of chemicals, better plant varieties, and the use of machinery, pesticides have been an integral part of the process by reducing harvest losses caused by weeds, diseases, and insect pests [25]. About one-third of agricultural products are produced using pesticides. Without the use of pesticides, there would be a 78% loss of fruit production, a 54% loss of vegetable production, and a 32% loss of cereal production [27]. Therefore, pesticides play a critical role in reducing diseases and improving the increase in crop yields worldwide. Thus, they have made a significant contribution to alleviating hunger and providing access to an abundant supply of high-quality food.

What are the different types of pesticides?

Pesticides are classified by different classification terms such as chemical classes, functional groups, modes of action, and toxicity [20]. Firstly, pesticides are classified by different targets of pests, including fungicides, insecticides, herbicides, and rodenticides. For example, fungicides are used to kill fungi, insecticides are used to kill insects, while herbicides are used to kill weeds [21,22]. In terms of chemical classes, pesticides are classified into organic and inorganic ingredients. Inorganic pesticides include copper sulfate, ferrous sulfate, copper, lime, and sulfur. The ingredients of organic pesticides are more complicated [23]. Organic pesticides can be classified according to their chemical structure, such as chlorohydrocarbon insecticides, organophosphorus insecticides, carbamate insecticides, synthetic pyrethroid insecticides, metabolite and hormone analog herbicides, synthetic urea herbicides, triazine herbicides, benzimidazole nematocides, metaldehyde molluscicides, metal phosphide rodenticides, and D group vitamin-based rodenticides. Figure 1shows the summary of the agricultural use of each class of pesticide in China [24].

Why do pesticides bind to soil?

In contrast, a large amount of pesticides reaches the soil, resulting in severe soil pollution [51,52]. The sorption process is a phenomenon that binds pesticides to soil particles due to the attraction between chemical and soil particles [51,53,54,55]. In addition, adsorption isotherms can be obtained according to the standard batch equilibration method (OECD106, 2000) and used for the assessment of pesticide retention in the environmental media [56].

Why do farmers use pesticides?

Conclusion: Farmers (both conventional and organic) must use pesticides in order to produce enough food to feed the world. Pesticide use peaked in the 1980’s and will continue to decline as farmers and scientists develop new and more effective methods.

Why did pesticides decrease?

Reasons for the initial rise include no-till agriculture, herbicide resistant crops, and crops like corn and soybeans being planted over more acres. Reasons for the decline include more effective pesticides, better application technology, genetic engineering (GMOs) and new production methods like cover crops. (This is further explained in Part 2)

Why are pesticides so toxic?

Glyphosate (the most popular herbicide in agriculture) is the least toxic agro-chemical on the list. This is one of the reasons farmers have used it so much instead of other chemicals over the years. Another reason is because glyphosate resistant plants (GMOs) were developed so that farmers could control weeds post emergence with a safer chemical like glyphosate. Household items more toxic than glyphosate include baking soda, table salt, Tylenol, and caffeine.

Why is glyphosate considered a safer chemical?

This is another reason glyphosate is considered a safer chemical, because it is a herbicide. Over the last 50 years, the use of safer herbicides has risen while the use of insecticides and fungicides has declined.

What percentage of pesticides were used in 1960?

Insecticides in 1960: 58 percent of pesticides – 2008: 6 percent of pesticides

What is the EPA’s continuous reevaluation of registered pesticides?

EPA’s continuous reevaluation of registered pesticides, combined with strict FQPA standards, major improvements in science, and an increase in the use of safer, less toxic pesticides, has led to an overall trend of reduced risk from pesticides. ”. – E.P.A.

Why do farmers wear protective gear?

This is why farmers wear protective gear when applying pesticides.


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