Compute gypsum required lbsa-ft to amend this soil find

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A farmer wants to grow wheat on a sodic soil. The CEC = 30 meq/100g and the ESP = 18%. He needs to reduce the ESP to 6%. Calculate the gypsum required (lbs/A-ft) to amend this soil. What is the minimum quantity of lime the soil must contain to use S as an amendment (express as %CaCO₃)? Calculate the quantity of S needed (lbs/a-ft).

Reference no: EM13469026

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