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一、技术指标1.栽培品种选用适合乌什县生态环境的高产、优质玉米品种SC-704。2.栽培密度和产量结构宽膜栽培:667米2理论株数5800株,667米2收获株数5500株,平均单株穗粒数610粒,千粒重300克,平均单穗重180～200克。3.施肥指标要求667米2施优质农家肥3～4吨或油渣100～150千克、尿素40千克(其中基肥10～15千克、追肥25～30千克)、二铵20～25千克、硫酸钾5～8千克(全部基施)、硫酸锌1千克。4.灌溉全生育期灌水4～5次,每次灌水量以淹没垄面
First, the technical indicators 1. Cultivated species selection suitable for the ecological environment of Wushi County, high yield, high quality corn varieties SC-704.2. Cultivation density and yield structure Wide film cultivation: 667 m 2 theoretical number of 5800 strains, 667 m 2 harvest number 5500 The average number of spikelets per plant is 610, the weight of 1000 seeds is 300g, and the average single spike is 180 ~ 200g. 3. The fertilization index requires 667 m 2 to apply 3 to 4 tons of high quality farmhouse fertilizer or 100 to 150 kg of oil residue, 40 kg of urea (of which 10 to 15 kg of base fertilizer and 25 to 30 kg of topdressing fertilizer), 20 to 25 kg of diammonium, Potassium 5-8 kg (all basic facilities), zinc sulfate 1 kg. Irrigation irrigation throughout the growing period of 4 to 5 times, each time the amount of irrigation to flood the ridge