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黑龙江垦区推广“三垄栽培技术”以来,为提高垄作机精量播种的均匀度,尤其是大豆双行播种的均匀度,该垦区八五三农场科技人员在常规垄作机上进行气吸式精量播种嫁接式改造后,把化肥分层深施、气吸精量播种和原垄卡种等栽培技术融为一体,改变传统的槽轮或窝眼等机械式播种方式,
Heilongjiang reclamation area to promote the “three ridge cultivation techniques” since, in order to improve the accuracy of sowing machine precision sowing, especially the double row sowing uniformity of the reclamation area 853 farms scientific and technical personnel in conventional ridge machine air suction precision Sowing grafting transformation, the fertilizer stratification, gas suction precision sowing and the original ridge card cultivation techniques such as integration, changing the traditional sheaves or sockets and other mechanical sowing methods,