II.ANSWER IN ONE WORDS
1. Mention the usage of manure
2.what is crop rotation?
3. what is weeds?
4.Mention the name of weedicides
5. what is harvesting?
6. What is threshing?
7.what are the different types of storage?
8.what is winnowing?
Answers
Answer:
The use of manure is better than the use of fertilizers.
(i) Manure helps in enriching soil with nutrients and organic matter and increasing soil fertility. However, continuous use of fertilizers in an area can destroy soil fertility.
(ii) In using manure, we use biological waste material. Using biological waste material is also a way of recycling waste. Unused fertilizer causes water pollution.
Explanation:
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Answer:
1}It increase the soil quality
2} Growing the crops in series
3} The unwanted plants
4}2,4-D (2,4-dichlorophenoxy)
5} Cutting the crops
6} separation of the grain from the chaf
7} Bulk , underground, in bags , in sheds and in silos
8}Removing the outer covering of the grain with the help of wind