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米脂县无定河川道有水地24000多亩,以黄绵土为主,土质疏松,年雨量451.6毫米,大于10℃的积温为3349℃,大于15℃的积温为2676℃,年总辐射138.15千卡/平方厘米。群众习惯以种植玉米为主。1981年以前,花生种植面积很小,一般亩产仅有百斤左右,属全国花生的低产区之一。1982年省试验站试种地膜花生1.1亩,亩产760.4斤,比对照增产41.51％,1983年有2.42亩地膜花生,平均亩产1078斤。1984年全县种水地覆膜花生246.3亩,平均亩产681.4斤,比对照亩产391斤增产74.3％。城郊乡镇子湾村农
Wuzhixian Wuding River Road has 24,000 mu of watery area, dominated by loamy soil, with loose soil with an annual rainfall of 451.6 millimeters. The accumulated temperature above 10 ℃ is 3349 ℃, the accumulated temperature above 15 ℃ is 2676 ℃, and the annual total radiation is 138.15 thousands Card / square centimeter. The people used to grow corn-based. Before 1981, peanut planting area is very small, generally only about hundred pounds per mu, is one of the low yield areas of peanut. In 1982, the provincial experimental station planted 1.1 acres of mulched peanuts, with a yield of 760.4 kg, 41.41% more than the control. In 1983, there were 2.42 mu of plastic film peanuts, with an average yield of 1078 kg per mu. In 1984, the county covered 246.3 acres of peanuts, with an average yield of 681.4 kg per mu, 391 kg more than the control, and an increase of 74.3%. Suburban township Ziwan village farmers