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由开封地区农科所、地区科委和地区农技站等单位组织的开封地区油菜高产栽培协作组,经多年试验、示范,总结出一套高产栽培技术,经同行专家评议,已于七月二十九日在郑州通过鉴定。这项技术使开封地区油菜单产由1979年以前的50斤,提高为80斤,增产60％,年总产由412万斤增加到2576万斤,增产2000万斤。他们通过密度试验;喷硼试验;喷多元素高效化肥试验;花芽分化观察;种肥
Kaifeng region by the Agricultural Science Institute, Regional Science and Technology Commission and other units of agricultural stations and other units in Kaifeng region rape cultivation cooperative group after many years of experiments, demonstrations, summed up a set of high-yielding cultivation techniques, peer experts, has been in July On the 29th in Zhengzhou passed the appraisal. This technology enables the yield of oilseed rape in Kaifeng region increased from 50 pounds in 1979 to 80 kg and increased by 60%. The total output increased from 4.12 million kg to 25.76 million kg and the yield increased by 20 million kg. They passed the density test; boron spray test; spraying multi-element fertilizer experiment; flower bud differentiation observation; kind of fertilizer