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1春玉米1.1生育、气候特点清明前后播种,6月中、下旬抽雄,约8月上旬成熟。3月份,江淮地区受季风性气候影响导致多峰面雨,墒情好易出苗;4～5月份气温逐步上升且雨量偏少,对玉米蹲苗发根和营养积累十分有利;6月份降水增多,抽雄授粉期间温度适宜,为穗发育和授粉结实提供了良好条件;后期的强光、高温与玉米生长需求吻
1 spring corn 1.1 fertility, climate characteristics before and after sowing Qingming, mid-June, late male tasseled, about early August mature. In March, the impact of monsoon climate in Jianghuai region resulted in multi-faceted rain with good moisture content and easy emergence. In April and May, temperatures gradually increased and rainfall was low, which was very beneficial to corn roots and nutrient accumulation in June. Precipitation increased in June and tasseled Suitable temperature during pollination provided good conditions for spike development and pollination and fruiting; late-stage glare, high temperature and maize growth kisses