基于品种熟期和籽粒脱水特性的机收粒玉米 适宜播期与收获期分析

张万旭, 明博, 王克如, 刘朝巍, 侯鹏, 陈江鲁, 张国强, 杨京京, 车淑玲, 谢瑞芝, 李少昆

Analysis of Sowing and Harvesting Allocation of Maize Based on Cultivar Maturity and Grain Dehydration Characteristics

WanXu ZHANG, Bo MING, KeRu WANG, ChaoWei LIU, Peng HOU, JiangLu CHEN, GuoQiang ZHANG, JingJing YANG, ShuLing CHE, RuiZhi XIE, ShaoKun LI

表1 试验区玉米田间生长期间温度及降雨量统计

Table 1 Statistics on temperature and rainfall during maize growing season in experimental area

年份 Year 月平均温度Mean temperature (°C) 平均温度 Average temperature (°C) 全年积温 Accumulated temperature (>0°C) 降雨量 Rainfall (mm) 4 5 6 7 8 9 10 11 2015 10.7 17.3 19.2 23.8 20.9 12.2 6.3 -2.4 13.5 3481.7 365 2016 12.1 14.2 21.8 22.4 20.9 18.7 3.4 -5.4 13.5 3618.1 366 2017 12.3 17.2 21 24.3 20.5 14.9 5.2 -2.2 14.2 3610 229.4 2004-2014 11.2ns 16.9ns 21.6ns 22.9ns 21.5ns 15.7ns 7.7ns -2.5ns 14.4ns 3713.8ns 238.9ns