Question

Which is a useful rotation crop?why?

Answer 1

Answer:

Crop rotation gives various nutrients to the soil. A traditional element of crop rotation is the replenishment of nitrogen through the use of green manure in sequence with cereals and other crops.

Explanation:

Answer 2

Answer:

Crop rotation method involves growing of set of crops in a regular succession over a same piece of land (field with) in a specific period of time. This is practiced by the farmers to give more products to the market.

• The goals of crop rotation are to help manage soil fertility and also to help avoid or reduce problems with soil borne diseases and some soil-dwelling insects, such as corn root worms. It is one of the oldest agricultural methods to increase yield per acre.

• Crop rotation maintains and improves soil fertility.

• Prevents growing of pests, weeds & soil diseases.

• Controls soil erosion.

• Prevents soil depletion

• Controls insect/mite pests. Crop rotation as a means to control to insect pests is most effective when the pests are present before the crop is planted have no wide range of host crops; attack only annual/biennial crops; and do not have the ability to fly from one field to another.

• Reduces the pests' build-up

• Prevents diseases.

Explanation: