冬小麦一次性施肥氮肥产品筛选与产量效应

吴小宾, 谭德水, 林海涛, 朱国梁, 李子双, 和爱玲, 郭建华, 刘兆辉

Yield Effect and Nitrogen Fertilizer Screening of One-off Application of Controlled Release Fertilizer for Winter Wheat

XiaoBin WU, DeShui TAN, HaiTao LIN, GuoLiang ZHU, ZiShuang LI, AiLing HE, JianHua GUO, ZhaoHui LIU

表3 不同试验地点的施肥量及各处理氮肥的基肥与追肥用量

Table 3 The N, P2O5 and K2O application rate at different experimental sites and the N application rate of the different treatments applied before sowing (BS) and at jointing stage (JS)

试验地点 Experimental sites N (kg·hm-2) P2O5 (kg·hm-2) K2O (kg·hm-2) 播前BS 拔节期JS 总量Total 泰安 TA CON 0 0 0 105 75 OPT 112.5 112.5 225 105 75 CRF (A1-E) 225 0 225 105 75 德州 DZ CON 0 0 0 105 75 OPT 112.5 112.5 225 105 75 CRF (A1-E) 225 0 225 105 75 驻马店 ZMD CON 0 0 0 90 90 OPT 97.5 97.5 195 90 90 CRF (A1-E) 195 0 195 90 90 菏泽 HZ CON 0 0 0 135 67.5 OPT 134.4 105.6 240 135 67.5 CRF (A1-E) 240 0 240 135 67.5 石家庄 SJZ CON 0 0 0 90 80 OPT 100 100 200 90 80 CRF (A1-E) 200 0 200 90 80