施肥方法对小麦专用控释氮肥肥效的影响

刘苹, 谭德水, 徐钰, 林海涛, 李彦, 宋效宗, 沈玉文, 刘兆辉

Effects of Fertilization Methods of Self-Made Wheat-Specific Controlled-Release Nitrogen Fertilizer on Fertilizer Efficiencies

Ping LIU, DeShui TAN, Yu XU, HaiTao LIN, Yan LI, XiaoZong SONG, YuWen SHEN, ZhaoHui LIU

表1 试验地0–30 cm耕层土壤基本情况和耕前养分含量

Table 1 The basic situation of 0-30 cm soil plow layer and the nutrient content before plowing

试验地点 Test point 土壤类型 Soil type 质地 Soil texture pH 有机质 Organic matter (g·kg-1) 碱解氮 Hydrolysis N （mg·kg-1） 有效磷 Available P (mg·kg-1) 速效钾 Available K (mg·kg-1) 茌平Chiping 潮土Fluvo-aquic soil 黏壤土 Clay loam 7.97 16.0 26.7 12.6 88.0 泰安Taian 棕壤 Brown soil 轻壤土Light loam 5.71 17.1 35.8 33.1 173.0 桓台Huantai 褐土 Cinnamon soil 壤土Loam 7.92 14.8 30.4 7.0 74.0