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2 各试验地点基础土壤理化性质

Table 2 Initial test of topsoil (0-30 cm) at different experimental sites

试验地点 Experimental sites pH 有机质 Organic carbon (g·kg-1) 全氮 Total N (g·kg-1) 无机氮 Nmin (mg·kg-1) 速效钾 available K (mg·kg-1) 速效磷 Olsen-P (mg·kg-1) 泰安TA 6.99 17.0 1.6 — 175 47.5 德州DZ 8.01 7.2 1.4 — 77.2 25.9 驻马店ZMD 6.20 15.1 1.1 — 164 13.7 菏泽HZ 8.10 12.3 — 18.3 105 13.9 石家庄SJZ 8.50 17.4 1.1 — 132 44.9