Distinguish between the following.
i. Pesticides and weedicides
ii. Manures and fertilizers
iii. Crop rotation and fallowing
Answers
Answer:
pesticide is used to remove pests from the crop and weedicide is used to remove weed from the crop
manure is organic and easy to make fertilizer is made in factories
manure takes more time to get dissolved in the soil whereas fertilizers take less time to get absorbed
Answer:
i. Pesticides and weedicides
pesticides are used to kill the pest which causes damage to the crop. weedicides are used to remove the weeds like wild plants which take many more of the nutrition from the soil as compared to main crops.
ii. Manures and fertilizers
Manure is an organic substance that is obtained from decomposition of vegetables and animal waste. Fertilizers are inorganic substances manufactured in factories. Manures are relatively less rich in plant nutrients, they only remove general deficiency of soil.
iii. Crop rotation and fallowing
Multi cropping means growing two or more crops on a single piece of land during a single growing season. ... Crop rotation refers to practice of planting crops every season on agricultural land. ... Multi cropping refers to planting two or more types of crops on the same land at the same time.