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1主要技术指标1.1栽培品种:选用适合我县生态环境的高产、优质玉米品种登海3672,Sc-704。1.2栽培密度和产量结构宽膜栽培:亩理论株数为5800(5500-6000)穴,亩收获株数为5500株,平均单株穗粒610粒,千粒重300g,平均单穗重180-200g。1.3施肥指标:施肥总量65-70公斤,其中:氮肥40公斤,磷肥20-25公斤,钾肥5公斤,硫酸锌1-2公斤。
1 main technical indicators 1.1 Cultivars: selection of suitable for my county ecological environment of high yield, high quality corn varieties Denghai 3672, Sc-704.1.2 cultivation density and yield structure Wide-film cultivation: acres of theory number of 5800 (5500-6000) The number of harvested harvested 5500, the average single grain per plant 610, 1000 grain weight 300g, the average single spike weight 180-200g. 1.3 fertilization indicators: Fertilizer total 65-70 kg, of which: 40 kg nitrogen fertilizer, phosphate fertilizer 20-25 kg, potassium 5 kg, zinc sulfate 1-2 kg.