典型红壤不同形态氮素迁移对长期施肥制度的响应

申凤敏,姜桂英,张玉军,刘芳,刘世亮,柳开楼

Response of Different Forms of Nitrogen Migration in Typical Red Soil to Long-Term Different Fertilization Systems

FengMin SHEN,GuiYing JIANG,YuJun ZHANG,Fang LIU,ShiLiang LIU,KaiLou LIU

表1 不同处理化肥和有机肥施肥量

Table 1 Mineral and organic fertilizer application rate under different treatments (kg·hm-2)

处理 Treatment N P2O5 K2O 猪粪 Pig manure 紫云英 Green manure 秸秆 Straw CK NPK 90 45 75 NPKS 90 45 75 22500 4500 NPKSM 90 45 75 22500 22500 4500