Question

Alkaline soils are clay soils with high pH (greater than 8.5) and a poor soil structure. Which soil amendment is most effective in reclaiming alkaline soils, restoring their optimal pH levels for improved plant growth and productivity? 

A Lime Correct Answer Incorrect Answer
B Gypsum Correct Answer Incorrect Answer
C Rock phosphate Correct Answer Incorrect Answer
D Dolomite Correct Answer Incorrect Answer
E Basic slag Correct Answer Incorrect Answer

Solution

Alkaline soils can be reclaimed by gypsum application in soil.

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