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4 施肥方法对小麦氮素积累量与分配的影响

Table 4 Effect of fertilization methods on nitrogen accumulation and allocation in wheat

试验地点 Test point 处理 Treatment 氮素积累量Nitrogen accumulation (kg·hm-2) 氮素分配Nitrogen distribution (%) 籽粒Grain 秸秆Straw 籽粒Grain 秸秆Straw 茌平 Chiping CK1 113.2a 43.1a 72.5a 27.5a CK2 102.6a 38.8a 72.6a 27.4a CRF1 109.4a 36.7a 74.9a 25.1a CRF2 102.0a 43.6a 70.0a 30.0a CRF3 109.1a 38.7a 73.9a 26.1a 泰安 Taian CK1 213.9a 77.4b 73.5b 26.5b CK2 202.0a 75.1bc 72.9b 27.1b CRF1 214.1a 59.6d 78.2a 21.8c CRF2 207.9a 101.8a 67.0c 33.0a CRF3 185.4a 62.0cd 74.9ab 25.1bc 桓台 Huantai CK0 37.3c 7.0c 84.2a 15.8b CK1 119.1a 27.0ab 81.5ab 18.5ab CK2 100.3b 23.2ab 81.2ab 18.8ab CRF1 114.1ab 21.9b 82.9ab 17.1ab CRF2 111.2ab 24.1ab 81.9ab 18.1ab CRF3 108.5ab 27.4a 79.6b 20.4a