A. P

B. Ca

C. N

D. K

A. Transpiration

B. Respiration

C. Exudation

D. Evaporation

A. Mirgation

B. Biodiversity

C. Ecology

D. Ecosystem

A. High water requirements

B. High pump pressure

C. High cost on pipes

Hd. Unavailable of technology

A. Substainability

B. Conservation

C. Biodiversity

D. Environment

A. 22 million ha

B. 32 million ha

C. 12 million ha

D. 20 million ha

A. Fertilization

B. Irrigation

C. Seed bed preparation

D. Transplantation

A. Volatilization

B. Evaporation

C. Transpiration

D. Evapotranspiration

A. Com

B. Egg

C. Pulses

D. none of these

A. Sustainability

B. Conservation

C. Crop residue management

D. None of above