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6 施肥方法对小麦收获后土壤硝态氮含量的影响

Table 6 Effect of fertilization methods on soil nitrate nitrogen content after wheat harvest (mg·kg-1)

试验地点Test point 处理Treatment 0–30 cm 30–60 cm 60–90 cm 茌平 Chiping CK1 14.3c 9.4a 5.2c CK2 15.0bc 11.6a 8.3ab CRF1 16.8abc 10.6a 7.5bc CRF2 18.3ab 12.5a 10.3a CRF3 19.0a 12.7a 9.0ab 泰安 Taian CK1 8.6a 6.2a 4.4a CK2 7.3ab 5.9a 5.2a CRF1 4.9b 2.4b 1.4b CRF2 7.0ab 5.7a 4.6a CRF3 5.7b 4.3ab 2.9ab 桓台 Huantai CK0 17.1bc 11.9c 11.5a CK1 20.7ab 15.5abc 11.9a CK2 17.7bc 12.9bc 12.3a CRF1 16.6c 12.7c 12.2a CRF2 18.7bc 17.2ab 12.7a CRF3 22.5a 17.5a 12.8a