品种搭配对湖北省玉米-晚稻复种产量及资源效率的影响

刘志辉, 潘高峰, 陈文, 秦明广, 曹凑贵, 常昌龙, 展茗

Effects of varieties collocation between crop seasons on the yield and resource use efficiency of maize-late rice cropping in Hubei province

Zhi-Hui LIU, Gao-Feng PAN, Wen CHEN, Ming-Guang QIN, Cou-Gui CAO, Chang-Long CHANG, Ming ZHAN

表1 各试验点土壤基本理化性质

Table 1 Basic physical and chemical properties of soil at the experimental plots

试验地 Experimental plots 有机质 Organic matter (g kg-1) 全氮 Total nitrogen (g kg-1) 全磷 Total phosphorus (g kg-1) 全钾 Total potassium (g kg-1) 速效磷 Available phosphorus (mg kg-1) 可交换性钾 Exchangeable potassium (mg kg-1) 漳河 Zhanghe 22.8 1.27 0.69 4.96 13.38 88.80 屈家岭 Qujialing 25.2 1.44 0.59 18.02 9.83 179.60 梅家墩 Meijiadun 20.59 0.65 1.51 7.67 24.86 71.75