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Normally, the AE of a single nutrient such as N is calculated as: AE of N= (yield in N fertilized - yield in control)/ kg of fertilizer used If we use different levels of NPK in different...
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The research paper entitled "Direct determination of total soil carbohydrate content" by Safarik and Santruckova (1992) Plant and Soil 143:109-114 lacks sufficient explanation of the protocol and...
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