Using a nitrogen-phosphorus ratio to identify phosphorus risk factors and their spatial heterogeneity in an intensive agricultural area

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• 作者：Hezhen Lou^a ; Shengtian Yang^a ; Changsen Zhao^a ; ^{hzjohnson2003@163.com} ; Zhiwei Wang^a ; Liuhua Shi^b ; Linna Wu^a ; ^c ; Guotao Dong^d ; Mingyong Cai^e ; Fanghua Hao^f ; Ying Sun^g
• 关键词：N ; P ratio ; Phosphorus risk ; Spatial heterogeneity ; Remote sensing
• 刊名：CATENA
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：149
• 期：part_P1
• 页码：426-436
• 全文大小：1919 K
• 卷排序：149

文摘

Using a large-scale remote sensing driven model to simulate N and P in soil N:P in old land becomes lower and the concentration of P increased 1–2 times. N:P of the new cropland becomes higher with soil P slightly increased. Novel scientific support for P management and non-point-source pollution control