Question

give reason for the following
(a) excess water supply can damage crops
( b) grains are not stored without Sun drying
(C) overuse of pesticides should be avoided ​

Answer 1

Answer:

a . excess water supply can damage crops because it's increases the soil fertility

Answer 2

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A》Excess water supply can damage crops

➨Excessive water supply can reduce air in the soil space and can cause water logging. This can damage the plant roots and can cause them to die.

B》Grains are not stored without surfeiting

➨Harvested food grains often contain more moisture than is suitable for their storage. Hence, these grains are sun - dried before storing. This prevents growth of microbes on them.

C》Overuse of pesticides should be avoided.

➨Pesticides stick to fruits and vegetables, and are also absorbed by plants. They can, therefore, become a part of the food chain. It is for this reason that the use of pesticides must be kept to the bare minimum.