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辽中县老观坨公社,近年来实行大豆、玉米、高粱三大作物清种、轮作,1979年大豆、粮谷单产列为全县第一名.大豆单产282斤,比1978年增产25.4%,粮谷平均亩产891斤,比历史最高水平增长28.7%.三大作物的布局是:全社51,698亩耕地,种14,270亩大豆,17,593亩玉米、11,634亩高粱,除了有1,200多亩大豆、小麦套复种以外,三种作物都实行了清种.倒茬轮作的地块占70%.并按农田自然区划,实行了大
Liaozhong County Laoguan Tuo commune, in recent years the implementation of soybean, corn, sorghum crop three crops, rotation, in 1979 soybean, grain yield ranked first in the county.Soybean yield 282 pounds, an increase of more than 25.4% in 1978, , The average grain yield per kilogram 891 kg, 28.7% higher than the historical maximum.The layout of the three crops are: the whole community 51,698 acres of arable land, planted 14,270 acres of soybean, 17,593 acres of corn, 11,634 acres of sorghum, in addition to 1,200 acres of soybean, wheat In addition to the multiple cropping, the three crops have all been cleared species, and the crop rotation of the cropping crop accounts for 70% .And according to the natural division of farmland,