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随着种植业结构的调整,我省高粱的种植面积减少很多,种植的品种也有很大变化。很多农户为了搞编织、解决架材而愿意种植老品种高粱。铁岭县1985年种植63,000多亩高粱,只占1982年高粱种植面积的54.5％,而且在这6万多亩高粱中,只有31,300多亩杂交高粱,其余都是常规老品种。在老品种高粱生产上,目前存在的主要问题是品种混杂严重,产量低。1984年秋调查,铁岭地区个别地块老品种高粱的纯度只有59％。正常的9
With the adjustment of planting structure, the area of sorghum planting in our province has been greatly reduced, and the varieties cultivated have also been greatly changed. Many farmers are willing to plant the old variety of sorghum for braiding and construction. Tieling County in 1985 planted more than 63,000 acres of sorghum, only 54.5% of the area planted in 1982, and sorghum in more than 60,000 acres, only 31,300 acres of hybrid sorghum, the rest are conventional old varieties. In the old varieties of sorghum production, the main existing problems are serious varieties mixed, low yield. In the autumn of 1984, only 59% of the old varieties of sorghum were found in individual parcels in Tieling area. Normal 9