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b. What is crop rotation? What are the advantages of crop rotation
2
Answers
Answer:
Crop rotation is the practice of growing a series of different types of crops in the same area across a sequenced of growing seasons. It reduces reliance on one set of nutrients, pest and weed pressure, and the probability of developing resistant pest and weeds.
Growing the same crop in the same place for many years in a row gradually depletes the soil of certain nutrients and selects for a highly competitive pest and weed community. Without balancing nutrient use and diversifying pest and weed communities, the productivity of monocultures is highly dependent on external inputs. Conversely, a well designed crop rotation can reduce the need for synthetic fertilizers and herbicides by better using ecosystem services from a diverse set of crops. Additionally, crop rotations can improve soil structure and organic matter, which reduces erosion and increases farm system resilience.
Explanation:
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Answer:
A traditional element of crop rotation is the replenishment of nitrogen through the use of green manure in sequence with cereals and other crops. ... There are several benefits to using crop rotation, including improved nutrient cycling, soil tilth, and soil physical properties; and enhanced weed control
Advantages :
Increases soil fertility
Increase crop yield
Increase in soil nutrients
Reduces soil erosion