Question

Depth of roots zone , dR, is 1.8 (m) in a farm its area is 50 (Hectare). The initial moisture content of the soil in roots zone, (wv)i%, is 15% and wanted to raise it to its saturated condition, (wv)s% is 45%. Compute the volume of irrigation water needed to saturate the soil in Roots zone. Compute the volume of drained water (Vw)d from the Roots zone. Field capacity of the soil (wv))F% =32 %.​

Answer 1

To compute the volume of irrigation water needed to saturate the soil in the roots zone, calculate the difference between the initial and saturated moisture content and multiply it by the volume of the roots zone. To compute the volume of drained water from the roots zone, calculate the difference between the field capacity and saturated moisture content and multiply it by the volume of the roots zone.

Step-by-step explanation:

To compute the volume of irrigation water needed to saturate the soil in the roots zone, we can calculate the difference between the initial and saturated moisture content and multiply it by the volume of the roots zone. The volume of irrigation water needed is (wv)s% - (wv)i% multiplied by the volume of the roots zone. To compute the volume of drained water (Vw)d from the roots zone, we can calculate the difference between the field capacity and saturated moisture content, and multiply it by the volume of the roots zone. The volume of drained water is (wv)s% - (wv)F% multiplied by the volume of the roots zone.