“芒种”已过。农谚讲,芒种芒种,连收带种。黄淮海地区正值冬小麦抢收、夏玉米抢种的关键时节。今年黄淮海地区冬小麦收获期比常年提早2-3天,且近期出现多次降雨过程,土壤墒情普遍较好,对夏玉米抢时播种和出苗保苗十分有利。但近几年黄淮海地区二点委叶蛾、粗缩病等病虫害偏重发生,伏旱频发,不利于玉米保稳产夺高产。 “Mang species ” has passed. Agricultural proverbs say, Mans species, even with the species. Huanghuaihai region coincides with the winter wheat grab, summer corn grab seed key season. Huanghuaihai this year, winter wheat harvest period 2-3 years earlier than usual, and the recent occurrence of multiple rainfall process, the soil moisture is generally good, when the rush to seize the summer corn seedling and seedling protection is very favorable. In recent years, however, pests and diseases such as verbena and tuberosity in the Huanghuaihai area have been prevalent, with frequent drought strikes, which are not conducive to securing high yields of corn.