Which of the following crops is most tolerant to salty soils?
Which of the following crops is most tolerant to salty soils?
A. Corn
B. Rice
C. Carrot
D. Cotton
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Soil moisture and ET losses are_________________?
Soil moisture and ET losses are_________________?A. Inversely related
B. Directly related
C. Not related
D. Occasionally relatedPreviously Essential nutrients required for the growth of plants were sixteen. In recent time the essential nutrients required for the growth of plants are:_________?
Previously Essential nutrients required for the growth of plants were sixteen. In recent time the essential nutrients required for the growth of plants are:_________?A. 16
B. 17
C. 18
D. None of the aboveWater occupied the larger soil pores and moves down readily under the force of gravity. Water in excess of the field capacity is termed:
Water occupied the larger soil pores and moves down readily under the force of gravity. Water in excess of the field capacity is termed:A. Capillary water
B. Hygroscopic water
C. Gravitational water
D. None of the aboveThe deficient macronutrient in the sodic soils is:_______?
The deficient macronutrient in the sodic soils is:_______?A. Mg
B. Ca
C. Mo
D. CuThe process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as_____________________?
The process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as_____________________?A. Eutrophication
B. Nitrification
C. Denitrification
D. SedimentationThe chemical formula of urea fertilizer is_______________________?
The chemical formula of urea fertilizer is_______________________?A. NH2CONH2
B. [CO(NH2)]
C. Both a & b
D. None of the above