黄淮海平原夏玉米一次性施肥肥料产品的筛选与产量效应

江丽华, 谭德水, 李子双, 李宗新, 郭建华, 孙克刚, 李妮, 徐钰, 杨岩, 石璟, 王梅, 刘兆辉

Fertilizer Product Screening and Yield Response About One-off Fertilization on Summer Maize in Huang-Huai-Hai Plain

LiHua JIANG, DeShui TAN, ZiShuang LI, ZongXin LI, JianHua GUO, KeGang SUN, Ni LI, Yu XU, Yan YANG, Jing SHI, Mei WANG, ZhaoHui LIU

表1 各试验点土壤类型及养分指标

Table 1 Soil type and nutrient index of experimental sites

试验地点 Experimental sites 土壤类型 Soil type 有机质 O.M (g·kg-1) 全氮 Total N (g·kg-1) 有效磷 Available P (mg·kg-1) 速效钾 Available K (mg·kg-1) pH 河北大河Dahe, Hebei 褐土Cinnamon soil 17.41 1.14 44.88 132.60 8.2 河南驻马店Zhumadian, Henan 砂姜黑土Shajiang black soil 9.40 0.11 11.20 63.40 6.4 山东德州Dezhou, Shandong 潮土 Fluvo-aquic soil 7.20 1.42 25.86 77.24 7.8 山东龙山Longshan, Shandong 棕壤Brown soil 10.60 1.10 7.90 41.30 7.8