A. Less oxygen as compared 10 atmosphere
B. More carbon dioxide as compared to atmosphere
C. Both a & b
D. None of the above
Related Mcqs:
- Soil water in excess of hygroscopic and capillary water which moves downward through the soil by the force of gravity is called______________?
A. Capillary water
B. sub-surface water
C. Gravitational water
D. Run off water - Fumigating and warming soil by covering it with black plastic is called__________________?
A. Mulching
B. Fumigation
C. Soil solarization
D. None of the above - The crops which are grown to reduce the soil erosion and natural losses by leaching is known as______________?
A. Companion crops
B. Cover crops
C. Mixed crops
D. Ratooning crops - Sowing seed without any tillage in the soil is called__________________?
A. Minimum tillage
B. Zero tillage
C. Secondary tillage
D. None of the above - Allelocliemicals may enter in the soil through the process of_________________?
A. Diffusion
B. Mass flow
C. Root exudation - Gaseous loss of a substance from the soil or from fertilizer or manure is called_________________?
A. Volatilization
B. Evaporation
C. Transpiration
D. Evapotranspiration - Fertilizer requirements of wheat under medium loamy soil is________________?
A. 75-90 NP kg/ha
B. 100-70 NP kg/ha
C. 110-60 NP kg/ha
D. 136-85 NP kg/ha - The systematic arrangement of soil in to groups or categories is called_________________?
A. Classification
B. Annuals
C. Perennials
D. Ranking - Controlled run off, water supplies, irrigation, soil fertility is called as_________________?
A. Catchmento protection
B. Agriculture conservation
C. Soil protection
D. Saw logs - Preferable form of nitrogen for rice under submerged soil conditions is ____________?
A. NH4
B. NO3
C. NO2
D. All of theseSubmitted by: Muhammad Rehan
