地膜覆盖麦田土壤有机碳矿化特征及其温度敏感性

曹寒冰,谢钧宇,刘菲,高健永,王楚涵,王仁杰,谢英荷,李廷亮

Mineralization Characteristics of Soil Organic Carbon and Its Temperature Sensitivity in Wheat Field Under Film Mulching

CAO HanBing,XIE JunYu,LIU Fei,GAO JianYong,WANG ChuHan,WANG RenJie,XIE YingHe,LI TingLiang

表2 2019年0—20 cm土层土壤基础性质

Table 2 Basical properties of topsoil (0-20 cm) in 2019

处理 Treatment pH 全氮 TN (g·kg-1) 硝态氮 NO3-N (mg·kg-1) 速效磷 AP (mg·kg-1) 速效钾 AK (mg·kg-1) 常规施肥FP 8.1a 1.06a 4.6a 17.4a 220.4a 测控施肥MF 8.0a 0.83b 5.6a 33.8a 215.5a 垄膜沟播RF 8.0a 0.82b 5.2a 28.5a 258.6a 平膜穴播FH 7.9a 0.79b 4.9a 28.0a 254.6a