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1988年,柳林县金家庄乡加善村25亩覆膜高粱平均亩产达到662.5公斤,比露地高粱增产49％,共增产5050公斤。村民石三告覆膜的2亩高粱亩产达到1065.1公斤,创我区旱地高梁单产的最高记录。一、深耕改土他们实行套犁耕作,使耕层厚度普遍达到26厘米以上,较好地调节了土壤的水、气、热状况,改善了作物的立地条件。据典型调查,深耕后的旱地高粱比不深耕的增产29％,
In 1988, the average yield per mu of 25 m mulched sorghum in Jiashan Village, Jinjiazhuang Township, Liulin County reached 662.5 kg, 49% more than that of open field sorghum, with a total increase of 5050 kg. The villagers stone three covered 2 acres of sorghum per mu reached 1065.1 kilograms, creating a record high sorghum yield of dry land in our district. First, cultivating soil improvement They implement plowing farming, so that the thickness of plow generally reached more than 26 cm, better regulate the soil water, gas and heat conditions, improve the site conditions of the crop. According to a typical survey, the sorghum after deep plowing increased by 29%