31.
Which of the following small grain crops has an exceptional tolerance to law leaves of soil copper supply?

32.
Which chemical is used as extractant during sulfur estimation by Chesnin & Yein method?

33.
The external surface area of 1 g of colloidal clay is at least . . . . . . . . times that of 1 g of coarse sand

34.
Capillary pores are

35.
Which of the following method will be followed where information are unavailable for research purpose?

36.
Almost 95% of Indian soils are low or medium in

37.
2 : 1 : 1 type of clay mineral contain and extra sheet of . . . . . . . . as compared to 2 : 1 type of clay minerals

38.
Main objective of puddling in paddy is to

39.
Which of the following is a micronutrient?

40.
Which type of fertilization enhances manuring properties of Green Manures?

Read More Section(Soil Science)

Each Section contains maximum 100 MCQs question on Soil Science. To get more questions visit other sections.