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This study aimed to identify whether nitrogen (N) use efficiency in a summer-maize/winter-wheat double-cropping system of the North China Plain (NCP) could be increased by adjusting N supply to crop N demand, and through the use of alternate N fertilizers and application strategies. In a static experiment conducted on a farmers’ field six reduced N treatments were compared to farmers’ practice (FP:...
The aim of this study is to observe the N balance of a summer-maize/winter-wheat double cropping system of the North China Plain (NCP), using data from a static field experiment that was conducted in a previously over-fertilized farmer's field. Two reduced N treatments that were fertilized by adjusting N supply to crop N demand (UREA: urea; ASN DMPP : ammoniumsulphate nitrate+3,4,-dimethylpyrazolephoshate)...
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