A level agriculture notes pdf

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What are the main features of Agriculture?

 Irrigation in dry areas.  Processing farm produce, for example, coffee.  Drinking by livestock and man.  Mixing agro-chemicals such as acaricide, fungicides and herbicides.  Providing power in water mills to grind grain crops.  Cooling engines.

What do you mean by agriculture?

 The practice of growing crops on cultivated land.  maize, beans, potatoes, coffee, tea, cotton to name but a few.  It involves the growing of perishable crops which have high value.  Floriculture – the growing of flowers.

What are the different types of Agriculture?

 The practice of growing crops on cultivated land.  maize, beans, potatoes, coffee, tea, cotton to name but a few.  It involves the growing of perishable crops which have high value.  Floriculture – the growing of flowers.  Olericulture – the growing of vegetables.  Pomoculture – the growing of fruits.

What are the factors affecting the farming system?

 A farming system is the organization of the various enterprises in a farm.  Resources available (land, labour, capital and management).  Skills of the farmer.  Environmental factors such as climate, soil type and topography.  Government policy.  Farmer’s choice and preference.  Enterprise requirement.  Social-cultural factors.

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What is fertilizer grade?

Contents of fertilizers are expressed as fertilizer grade or fertilizer analysis. Fertilizer grade indicate the guaranteed minimum of the active ingredients (N, P205, K 20) in the mixture. It is expressed as a percentage on a weight to weight basis or percentage by weigh.


Where do nutrients come from in plants?

Plant nutrients occur in the soil in form of soluble substances. These substances are taken in by the plants in different quantities depending on their roles in the plant tissues. Essential Elements. These are nutrients needed by plants for various uses. They are divided into two broad categories namely:


Why is tissue culture important in crop propagation?

Importance of Tissue Culture in Crop Propagation. It is used to recover and establish pathogen-free plants especially in the control of viral diseases. It is used in mass production of plantlets or propagules. It is fast and requires less space than the cultural methods of using cutting which requires a bigger space.


Does vegetative propagation produce new crops?

Vegetative propagation does not result in new crop varieties.


Why should livestock be handled?

Livestock handling should be carried out in the most humane and technical way in order to avoid stress or injury to the animal. Reasons for handling animals


What are granaries made of?

Traditional granaries are elevated from the ground by posts. They are made of wooden twigs woven together and roofed with thatching materials such as grass or reeds.


Where do the three elements in the atmosphere come from?

They are derived from the atmosphere and soil water. The three are raw material for photosynthesis in the presence of sunlight and chlorophyll. Oxygen is also needed for respiration to produce energy.

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