An irrigation channel is carrying 2 m³/s to a culturable command of 1500 ha with an intensity of irrigation of 50%. If the base period of crop is 140 days, the duty of channel water is . . . . . . . . ha/m³/s.

A. Frog B. Mould Board C. Land Side D. None of these

A. Depth of bed B. Porosity of the bed C. Density of the particles D. All of the above

A. To carry the seeds and fertiliser in separate compartments B. To open furrows at uniform depth C. To cover the seed and fertiliser D. All of the above

A. Zero B. Positive slip C. Negative slip D. None of these