长期定位施肥下潮土磷素盈亏及对无机磷的影响
王柏寒,黄绍敏,郭斗斗,张水清,宋晓,岳克,张珂珂

Phosphorus Profit and Loss and Its Effect on Inorganic Phosphorus in Fluvo-Aquic Soil Under Long-Term Located Fertilization
BoHan WANG,ShaoMin HUANG,DouDou GUO,ShuiQing ZHANG,Xiao SONG,Ke YUE,KeKe ZHANG
表1 磷素实际年度总投入平均量
Table 1 Actual annual input of phosphorus P (kg·hm-2)
年份
Year
处理 Treatment
NPK SNPK MNPK 1.5MNPK
1991-2003 77 90 140 210
2004-2011 51 60 100 150
2012-2015 56 65 130 90