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.Management Sciences
Category: Soil Science
The net reaction of photosynthesis is_____________________?
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A. CO2 + H2O light O2 + (CH3O)
B. CaCO3 + 2HCl CaCl2 H2O+CO3
C. ((CH2O) + O2 CO2 + H2O)
D. None of the above
Biochemical reduction of nitrate to nitrite or gaseous nitrogen is called ________________________?
A. Reduction
B. Oxidation
C. Denitrification
D. None of the above
The available form of calcium to plant is________________?
A. Ca(free cation
B. CaO
C. Ca
D. None of the above
The chemical formula for Ammonium acctatc is_____________________?
A. NH3OAC
B. NH4OAC
C. NH4AOC
D. Both b & c
Main product of photosynthesis is_____________________?
A. C6H12O6
B. C12H24O12
C. C3H6O6
D. C5H12O6
Which soil is suitable for nce________________?
A. Fine textured
B. Coarse textured
C. Sandy
D. None of the above
Which instrument is used for determining soil texture___________________?
A. Lysimeter
B. Hydrometer
C. Thermometer
D. All the above
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