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Oxana [17]
3 years ago
11

Approximately how much plant available water would there be in 1 m of a clay loam soil with a soil water content of 23%? 30 mm 1

0 mm 50 mm 70 mm
Chemistry
1 answer:
Margaret [11]3 years ago
6 0

Answer:

30 mm

Explanation:

Plant\ available\ water = Field\ capacity - Permanent\ wilting\ point

Given:

Field\ capacity = 23\ \%\ of\ 1\ m =0.23\ m=230\ mm

Permanent wilting point for the clay loam soil is approximately equals to 20% So,  

Permanent\ wilting\ point= 20\ \%\ of\ 1\ m =0.20\ m=200\ mm

Thus,

Plant available water = 230-200 mm = 30mm

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