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在夏玉米的栽培技术中,追肥是一项关键性措施,各地都积累了丰富的经验。现针对夏玉米追肥中一些主要问题,谈谈我们的看法。夏玉米生长发育及需肥规律夏玉米在烟台地区生长期约85-95天。玉米一生可分为营养生长和生殖生长两个大阶段。通常把雄穗分化的日期,作为划分玉米两个不同生长阶段的界限。但阶段的划分并不是绝对的,因为雄穗开始分化进入生殖生长阶段时,营养生长并没有结束,而是两个阶段同时重
In summer corn cultivation techniques, dressing is a key measure, all over the country has accumulated rich experience. Now for the summer corn top dressing in some of the major issues, talk about our views. Growth and development of summer maize and fertilizer requirements Summer maize grows about 85-95 days in Yantai. Corn life can be divided into two major stages of vegetative growth and reproductive growth. The date that the tassels are usually divided is used as the dividing line between two different growth stages of corn. But the division of stage is not absolute, because the tassel began to differentiate into the reproductive growth stage, vegetative growth is not over, but the two stages at the same time