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1984年,我们搞了地膜花生喷“比久”(B~9)试验,收到了较好的增产效果。每亩增产花生荚果29.6公斤,增产率为9.5%。同时也发现,在喷施“比久”一个月的时间内,植株生长速度明显变慢,之后就失去了控制能力。据调查,喷“比久”比不喷的株高仅低1厘米,侧枝长度少0.7厘米,并也有轻度的倒伏。为此,我们于1986—1987年又进行了两年二次喷“比久”的试验。用陕西省凤县红星化工厂生产的“比久”粉剂,每次每亩用60克,兑水40—50公斤,常量喷雾。第一次在田间基本封垄,
In 1984, we did a lot of peanut spray “long time” (B ~ 9) test, received a good yield. The yield of peanut pods per acre 29.6 kg, 9.5% increase rate. At the same time, it was also found that in the period of one month after spraying, the plant growth rate was obviously slowed down and then the control ability was lost. According to the survey, spray “longer than” not blown plant height only 1 cm, collateral length of 0.7 cm less, but also mild lodging. To this end, we carried out another two-year spray of “long-lasting” test in 1986-1987. Hongxing Chemical Plant in Fengxian County, Shaanxi Province, the production of “longer than” powder, each with 60 grams per mu, watered 40-50 kg, constant spray. For the first time in the field basic seal ridge,