Is it possible to estimate or calculate the nutrient use efficiency of each element from compound or blended fertilizer application? for example, from blended NPS fertilization, can I calculate the individual use efficiency of N, P, and S? Thanks.
Yes, but the meanings will be obscure if an element has more than one source. In that case you need isotopic source differences and analyses.
Ye it is possible to calculate the individual use efficiency of N, P, and S using the individual share in the NPS blended fertilizer. I have done for NPSZnB and see in https://peerj.com/articles/13344/, but if there is another source other than NPS don't forget to add to consider as total nutrient applied to see the effect
By comparing the amount of fertilizer input by agriculture and plant analysis in terms of the amount of elements, the efficiency of using elements can be checked
Yes. It is possible. If the quantity of nutrient applied, nutrient taken up by control, treatment and their yield it is very easy to calculate the nutrient use efficiency of compound fertilizer applied to particular crop. The published articles are attached for ready reference.
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