种植密度对甘肃不同生态区小麦产量形成的影响

柴芳梅, 高甜甜, 柴守玺, 程宏波, 宋亚丽, 鲁清林

Effects of Planting Density on Wheat Yield Formation in Different Ecological Regions of Gansu Province

Fangmei Chai, Tiantian Gao, Shouxi Chai, Hongbo Cheng, Yali Song, Qinglin Lu

表1 2017-2018年冬小麦生育期降水量

Table 1 Precipitation in winter wheat growth in 2017-2018 mm

气候类型区 Climate type region 播种-越冬期 Sowing-Wintering 越冬-返青期 Wintering-Reviving 返青-抽穗期 Reviving-Filling 抽穗-成熟期 Filling-Mature 合计 Total 低温半干旱区Low-temperature semi-arid region 33.0 13.3 71.9 32.8 151.0 半湿润易旱区Semi-humid arid region 43.6 13.5 77.8 30.1 165.0 半干旱区Semi-arid region 35.8 20.0 117.9 30.3 204.0