The following data were noted from an irrigation field:1. Field capacity = 20%2. Permanent wilting point = 10%3. Permissible depletion of available soil moisture = 50%4. Dry unit weight of soil = 15 kN / m35. Effective rainfall = 50 mmThe net irrigation requirement per metre depth of soil will be

The following data were noted from an irrigation field:1. Field capaci

1.	The following data were noted from an irrigation field:1. Field capacity = 20%2. Permanent wilting point = 10%3. Permissible depletion of available soil moisture = 50%4. Dry unit weight of soil = 15 kN / m35. Effective rainfall = 50 mmThe net irrigation requirement per metre depth of soil will be
A.	75 mm
B.	125 mm
C.	50 mm
D.	25 mm
Answer» E.