Agriculture MCQs

2794 MCQs  (Page 246 of 280)

In Pakistan, The following igneous rocks are found over considerable areas:
A. Marl, gypsum
B. Slate, shist
C. Dolomite shale, gneiss
D. None of the above
The maximum amount of water which a soil can hold after free drainage has ceased is called as_______?
A. Water potencial
B. Water use efficiency
C. Water harvesting
D. Water holding capacity
One ha cm of water is equal to__________?
A. 100 tonnes of water
B. 100000 litres of water
C. Both a & b
D. 10 tonnes of water
Most out standing green manure crop is__________?
A. Sun hemp
B. Dhaincha
C. Both of the above
D. None of the above
Source of negative charges on silicate clays is/ are________?
A. Exposed crystal edges
B. Isomorphous substitution
C. Anion exchange
D. All of these