The Growth of Plants on Sodic Soils Is Constrained by All

question 10

Multiple Choice

The growth of plants on sodic soils is constrained by all but one of the following:

• A)caustic influence of high pH caused by sodium carbonate and bicarbonate
• B)toxicity of bicarbonate and other anions
• C)low micronutrient availability due to high pH
• D)oxygen deficiency due to breakdown of soil structure or
• E)toxicity of very high levels of calcium carbonate

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