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ANSWER 2:- TO SUPPLY PLANT NUTRIENTS TO THE SOIL. THEY INCREASE SOIL FERTILITY.
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1) intercropping is one of the methods of crop production that ensures high yield. it is the method of growing two or more varieties of crops on the same land in a different pattern crops having different nutrients requirements intter-cropping helps preventing pest and disease to spread throughout the field it also increases soil fertility rotation prevent soil the plantation increase the soil fertility and reduces soil erosion
2) manual is organic matter mostly nascent from animal feces except in the case of green manure used as organic fertilizers in farming manures contribute to the fertility of the soil by adding organic matters and nutrients such as nitrogen that are rapped by bacteria in the soil
3) advantages of crop rotation
→ prevents soil depletion
→ maintains soil fertility
→ reduces soil erosion
→ controls insect/mite pests....
→ reduces the reliance on synthetic chemicals
→ reduces the pests build up
→ prevents diseases
→ helps control weeds
advantages of intercropping
→ intercropping gives additional yield income / unit than sole cropping
→ it acts as an insurance against failure of crops in abnormal year
→ inter cropping maintain the soil fertility as the nutrient uptake is made from both layers of soil
→ reduction in soil runoff and controls weeds
→ inter crops provide shade and support to the other crop
→ inter cropping with cash crops is higher profitable
→ it helps to avoid inter crop competition and thus a higher number of crop plants are grown per unit area
2) manual is organic matter mostly nascent from animal feces except in the case of green manure used as organic fertilizers in farming manures contribute to the fertility of the soil by adding organic matters and nutrients such as nitrogen that are rapped by bacteria in the soil
3) advantages of crop rotation
→ prevents soil depletion
→ maintains soil fertility
→ reduces soil erosion
→ controls insect/mite pests....
→ reduces the reliance on synthetic chemicals
→ reduces the pests build up
→ prevents diseases
→ helps control weeds
advantages of intercropping
→ intercropping gives additional yield income / unit than sole cropping
→ it acts as an insurance against failure of crops in abnormal year
→ inter cropping maintain the soil fertility as the nutrient uptake is made from both layers of soil
→ reduction in soil runoff and controls weeds
→ inter crops provide shade and support to the other crop
→ inter cropping with cash crops is higher profitable
→ it helps to avoid inter crop competition and thus a higher number of crop plants are grown per unit area
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