8.Discuss the importance of the following in improving the quality of crops.
(i)Green Revolution (ii)Crop rotation
Chemicals are not used.
Answers
Answer:
becomes necessary to increase the crop variety to produce disease-resistance offsprings of the crops. It also helps in providing better and superior varieties based on the quality and quantity of the yield.
Answer:
Green revolution-The Green Revolution, or the Third Agricultural Revolution, is the set of research technology transfer initiatives occurring between 1950 and the late 1960s, that increased agricultural production in parts of the world, beginning most markedly in the late 1960s.[1] The initiatives resulted in the adoption of new technologies, including high-yielding varieties (HYVs) of cereals, especially dwarf wheat and rice
Crop rotation-Crop rotation is the practice of planting different crops sequentially on the same plot of land to improve soil health, optimize nutrients in the soil, and combat pest and weed pressure. ... A simple rotation might involve two or three crops, and complex rotations might incorporate a dozen or more.