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从1985—1986年对“六五”期间旱作大豆几种主要高产模式:1.垅底深松、分层深施肥(尿素9kg、三料13.5kg)、垅上双条精量点播;2.50cm单条平播后起垅(施肥量同1.);3.50cm单条平播后起垅(施肥量减半);4.30cm单条平播(施肥量同1.);5.30cm单条平播(施肥量减半),进行了对比试验,结果表明,垅底深松、分层深施肥、垅上双条精量点播,从出苗到成熟,株高、茎粗、根量、干物质积累、光合强度等各项指标均占明显的优势;尤其亩产量比处理2、3、4、5分别增产27.6％、42.7％、110.6％、153.8％。
From 1985 to 1986, the main high-yielding patterns of dry-land soybean during the “Sixth Five-Year Plan” period were as follows: 1. Subsoiling at the end of the plantation and fertilization (urea 9kg, 13.5kg) cm single flat-screen broadcast from 垅 (fertilization with the same.); 3.50cm single flat broadcast from 垅 (fertilization by half); 4.30cm single flat screen (fertilization with 1.); 5.30cm single flat screen The amount of halved), conducted a comparative test, the results show that the bottom of the deep subsoiling, stratified fertilization, double on the top of the precision on demand, from emergence to maturity, plant height, stem diameter, dry matter accumulation, photosynthesis Intensity and other indicators all have obvious advantages; in particular, the output of mu yield increased by 27.6%, 42.7%, 110.6% and 153.8% respectively than those of treatments 2,3,4,5.