Evaluation of basal deep, the river buffer zone construction, reasonable, and reasonable P fertilizer nitrogen management scenarios of nitrogen and phosphorus in the four composite risk index

fertiliser is deeply buried, the construction evaluation River buffers, reasonable facilities as well as a reasonable nitrogenous phosphate fertilizer this 4 facilities management scenarios of nitrogen, phosphorus integrated risk index

The appraisal base fertilizer buries, constructs the rivers cushion belt deeply, executes the nitrogenous fertilizer reasonably as well as reasonably executes the phosphate fertilizer these four kind of management scene the nitrogen phosphorus comprehensive risk index

Evaluation of basal fertilizer deeply buried, nitrogen and build River buffer zone, justifiable effects of these four management situation of phosphate fertilizer nitrogen phosphorus risk index

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