The available form of calcium to plant is________________?
A. Ca(free cation
B. CaO
C. Ca
D. None of the above
A. Ca(free cation
B. CaO
C. Ca
D. None of the above
A. 56.58
B. 43.28
C. 50.58
D. 58.58
A. NO3
B. NH4
C. Both a & b
D. None of the above
A. EC is 8.5
C. SAR is >13
D. All the above
A. SOP
B. MOP
C. Chilean salt peter
D. All the above
A. 7.5
B. 12
C. 7
D. 14
A. Chelate
B. Solution complex
C. Complex ion
D. All the above
A. Ziebig
B. Darcy
C. Kohler
D. Niel
A. Micro pores
B. Macro pores
C. Meso pores
D. None of the above
A. Ionic bonding
B. pH change
C. Covalent bonding
D. Isomorphic substitution