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Question 1 of 2
1. Question
Good drainage on irrigated soils is important to avoid water logging of the soil and to allow ……. to be washed out of the soil.
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Question 2 of 2
2. Question
Too much alkaline water and too little organic matter can cause a breakdown of the soil structure, particularly on the surface of the soil. This can result in the formation of a …………….on the soil surface.
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