A. Calcification
B. Horizonation
C. Illuviation
D. Humification
A. 12%
B. 11%
C. 10%
D. None of these
At present some 11 percent (1.5 billion ha) of the globe’s land surface (13.4 billion ha) is used in crop production (arable land and land under permanent crops).
A. Plant harmonics
B. Plant growth regulators
C. Photoperiodism activants
D. Plant growth promoters
A. Stabilizer
B. Emulsifier
C. Thickener
D. All the above
A. Cambium
B. Placenta
C. Ovule
D. Ovary
A. Hybrid
B. Top cross
C. Poly cross
D. Inbred
A. Rumen
B. Reticuon
C. Abomasum
D. Omasum