A. Leaching only
B. Utilization by plants
C. Both (a) & (b)
D. Chemical reactions
Soil Erosion and Conservation
Soil Erosion and Conservation
A. Soil pollution
B. Creeping death of soil
C. Loss of living stratum
D. Loss of feeding zone
A. Rill erosion
B. Gully erosion
C. Sheet erosion
D. All of these
A. 3,000 million tons
B. 3,000,000 million tons
C. 3,00,00,000 million tons
D. 3,00,000 billion tons
A. Excessive rains
B. Wind storms
C. Overfelling and overgrazing
D. All of these
A. Gully – Rill – ravine
B. Rill – Ravine – Gully
C. Rill – Gully – Ravine
D. Ravine – Rill – Gully
A. Along rivers
B. At the sea shore
C. In water falls
D. In all these places
A. Sterile soil is converted into fertile soil
B. Soil is aerated
C. Soil erosion is allowed
D. Soil is protected against loss
A. Cajanus and Dalbergia
B. Cajanus and Aeschynomene
C. Dalbergia and trigonella
D. Trigonella and Trifolium
A. Agrostology
B. Basin listing
C. Growing grazing fields
D. Animal husbandry