连续施用土壤改良剂对沙质潮土肥力及活性有机碳组分的影响

周吉祥,张贺,杨静,李桂花,张建峰

Effects of Continuous Application of Soil Amendments on Fluvo- Aquic Soil Fertility and Active Organic Carbon Components

ZHOU JiXiang,ZHANG He,YANG Jing,LI GuiHua,ZHANG JianFeng

表2 不同土壤改良剂各处理养分输入量

Table 2 Nutrient input in different treatments oftwo soil amendments

处理 Treatment TN (kg·hm-2) TP (kg·hm-2) TK (kg·hm-2) CK 150 52.39 46.68 T1 370.5 (150+220.5) 368.14 (52.39+315.75) 389.88 (46.68+343.2) T2 150.15 (150+0.15) 52.58 (52.39+0.185) 46.70 (46.68+0.024) T3 370.65 (150+220.5+0.15) 368.33 (52.39+315.75+0.185) 389.90 (46.68+343.2+0.024)