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临沭县位于鲁东南,属沭东丘陵区,总耕地面积80万亩,其中旱田面积占80％。全县历年种植小麦40余万亩,78％分布在旱薄地上,这类地块土层浅,质地粗,耕作粗放,不蓄水,不保肥,长期以来小麦产量低而不稳,好年景亩产在100公斤上下,歉年亩产仅60公斤左右。为迅速提高小麦产量,我县自1981年开始,试验推广山西省水土保持研究所科技人员发明创造的蓄水聚肥改土耕作法(简称丰产沟),短时期内使旱薄地小麦产量有了较大幅度提高。
Linshu is located in the southeastern Lugu, Shu eastern hilly areas, the total cultivated area of 80 mu, of which dry land area of 80%. The county over the years planted more than 40 acres of wheat, 78% distributed in the dry land, such plots of shallow soil, coarse texture, extensive farming, no water, not fertilizer, wheat yield for a long time low and unstable, good Annual yield of 100 kg per mu, apology year only 60 kilograms per mu. In order to rapidly increase the wheat yield, our county has experimented and popularized the plan of water and fertilizer conversion and tillage (hereinafter referred to as Fengquangou) invented and created by the scientific and technological personnel of Shanxi Provincial Institute of Soil and Water Conservation since 1981, More substantial increase.