What are weeds in agriculture

The definition of a weed is a plant growing where it is not wanted. It can also include plants that were not intentionally sown in a specific location or plants that are more competitive or interfere with the activity of people.


What are called weeds?

weed, general term for any plant growing where it is not wanted. Ever since humans first attempted the cultivation of plants, they have had to fight the invasion by weeds into areas chosen for crops.


What is the meaning of weeding in agriculture?

Weeding is the removal of weeds from the field. It is an effective pre-harvesting method of crop protection and crop production management. Weeds act as competitors of the crop for various resources required for growth like nutrients, light, water, etc.


What are weeds short answer?

The undesirable plants that grow along with the crops are called weeds. These weeds, feed on the nutrients provided to the crops and thus reduce the supply of nutrients to the crops, thereby, hindering their growth. The growth of these weeds needs to be limited in order to enhance the growth of the plants.


What are weeds examples?

Weeds are the unwanted plants that comete with the crops for nutrients and various other factors. Thus, they damage crops by affecting their growth. Some examples of weeds are: Bermuda grass, Cannabis etc.


Why are weeds called weeds?

The definition of a weed is a plant growing where it is not wanted. It can also include plants that were not intentionally sown in a specific location or plants that are more competitive or interfere with the activity of people.


What are weeds Class 9?

Weeds: Weeds are unwanted plants in the cultivated field, for example, Xanthium (gokhroo), Parthenium (gazar ghas) and Cyperinus rotundus (motha). They compete for food, space and light. Weeds take up nutrients and reduce the growth of the crop.


What are weeds class 4 Answer?

Weeds are the unwanted wild plants growing in fields. They compete with crops for sources such as space, light and nutrients thereby causing crop plants to get less of all these sources which may hinder their growth.


What are weeds for Class 8?

Undesirable Plants which grow along with the main plants are called weeds.


How would you describe weeds?

a plant out of place and not intentionally sown. a plant growing where it is not wanted. a plant whose virtues have not yet been discovered.


What is weeds and types of weeds?

10 Types of WeedsOrange Hawkweed. Orange hawkweed (Hieracium aurantiacum L.) … Dodder. Dodder (genus Cuscuta) is a parasitic plant with many species affecting ornamentals, crops and native trees. … Ragweed. … Deer Tongue. … Bull Thistle. … Smooth Brome. … Slender Rush. … Spotted Knapweed.More items…


What are the importance of weeds?

Weeds are important biotic constraint to food production. Weeds compete with crops for the same resources, basically water, nutrients, light and carbon dioxide. Furthermore, they are alternate hosts for crop pests and pathogens.


What are the uses of weeds?

Uses of WeedsWeeds are used for mulching when dried.Some weeds like carpet grass and Bahama grass can be used to control erosion.Some weeds like guinea grass are used for feeding livestock.Weeds like waterleaf are eaten by man as a vegetable.The decomposition of weeds can add organic matter to the soil.More items…

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