冬小麦-夏玉米周年农田资源高效利用限制因素分析

刘肖瑜,张豆豆,焦进宇,陈国庆,李勇

Analysis on Limiting Factors of Efficient Utilization of Winter Wheat and Summer Maize Farmland Resources

LIU XiaoYu,ZHANG DouDou,JIAO JinYu,CHEN GuoQing,LI Yong

表6 各生态区最佳播种密度水平下可获得产量及匹配系数

Table 6 Available yield and matching coefficient under the optimum sowing density in each ecological region

生态区 Ecological region 冬小麦Winter wheat 夏玉米Summer maize 可获得产量 Available yield (kg·hm-2) 匹配系数 Matching coefficient 可获得产量 Available yield (kg·hm-2) 匹配系数 Matching coefficient 鲁东ES 10049.86 0.9903 11531.94 0.9021 鲁中CS 8471.68 0.9879 10616.74 0.9092 鲁西北NS 9825.92 0.9904 11441.68 0.8820 鲁西南SS 8527.92 0.9873 10848.51 0.8943