31.
Red rot of sugarcane is caused by

32.
Continuous variation in atmospheric pressure is recorded by

33.
Queen of oilseeds' is

34.
In these Food grains, Highest Biological value is of

35.
World Environmental Day celebrated in

36.
Rotooning is practiced as a matter of routine in

37.
A farmer grows cotton, maize and wheat on 1 hec, 5 hec and 4 hec of land respectively. The average yields of cotton, maize and wheat per hec on his farm are 4q, 20q and 25q as against State averages of 5q, 10q and 20q for the respective crops. What is the crop-yield index of his farm?

38.
The sprinkler system of irrigation is most suitable for

39.
Botanical name of six row barely

40.
Which of the following is cheaper fertiliser?

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