A. Answer the following questions :
1. Which river valleys were the centres of ancient agriculture ?
2. When did the modern agriculture start?
3. What is green revolution ?
4. What are forage crops ?
5. What crops are included in beet crops and cole crops ?
6. What is the use of tung nut?
7. Which are the major non-food crops ?
8. Give examples of various under-utilized crops.
Answers
Please write your question properly
Answer:
1. The Nile river valleys were the centre of ancient agriculture.
2. The modern agriculture start after gathering wild grains beginning at least 1,05,000 years ago, nascent farmers began to plant them around 11,500 years ago.
3. The Green Revolution is the set of research technology transfer initiatives occuring between 1950 and the late 1960s, that increased agriculture production worldwide, beginning most markedly in the last 1960s
4. Forage crops are crops grown specifically to be grazed by livestock or conserved as hay or silage. Forage crops assists in achieving production targets for attributes such as growth or weight gain and to make up seasonal short falls between feed demand and supply.
5. Beet crops :- Sugarcane
Cole crops :- Cabbage , cauliflower , etc.
6. It is of course a popular in paints and varnishes. Woodworkers like it because it penetrates even very dende woods. It is used as a sealant in cables, brakes, steel, beams and stone work, and to waterproof fabrics. It is even used in U.S. currency and the shells of the nuts are used in some pesticides.
7. There are 12 non food crops :-
a. Tea g. Rubber
b. Coffee h. silk
c. Tobacco i. Rayon
d. Oilseeds j. Hemp
e. Cotton k. Wool
f. Jute l. Coconut
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