Question

(1)Explain any one method of crop production which ensures
high yield
(2)Why are manure and fertilizers used in fields?
(3)What are the advantages of inter-cropping and crop rotation?
(4)What is genetic manipulation? How is it useful in agricultural
practices?​

Answer 1

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1. One of the method of crop production that ensures high yield is intercropping. Intercropping helps in preventing pests and avoid the spread of diseases throughout the field. So with crop rotation, soil fertility is increased, reduces soil erosion is reduced, and soil depletion is prevented.
2. Manure is made from decomposing plant's parts and animals waste. Therefore, it is rich in nitrogen, phosphorus, potassium and other nutrients. - All these nutrients are essential for plant growth, thus using manure as fertilizers in fields provide crops with all required growth factors.
3. Inter-cropping helps in preventing pests and diseases to spread throughout the field. It also increases soil fertility, whereas crop rotation prevents soil depletion, increases soil fertility, and reduces soil erosion. Both these methods reduce the need for fertilizers.
4. Genetic manipulation is a process in which genes of desirable characters are taken from a plant and transferred to another plant by the technique of hybridisation. Genetic manipulation helps in obtaining desirable agronomic characters liked Dwarfness in cereals and tallness and profuse branching in fodder crops.

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Answer 2

Hey army,

good morning

do you remember me???

Anjum???