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山东省沂南县张家哨公社薄家店子林场,总面积1,050亩,其中果园350亩。1971年以来,该场党支部认真贯彻“以粮为纲,全面发展”的方针,带领广大社员充分利用果园梯田地边、沟旁、路边、大种棉槐、草木樨、苕子、绿豆等绿肥作物。六年来,果园绿肥每年保持200多亩,加上刺槐叶、苹果树叶等,可以收割绿肥50多万斤,能够满足5,000株苹果树追肥的需要。不仅自力更生解决了粮果争肥、用肥的矛盾,大大降低了生产成本,而且施用绿肥有以下好处:第一、绿肥肥效高,后劲长,增产显著。该场连续几年对比试验
Zhangjia Sentai commune in Yinan County, Shandong Province, Zhangjiamen Dianzi farm, with a total area of 1,050 acres, of which 350 acres of orchards. Since 1971, the branch of the party conscientiously implemented the policy of “taking grain as the key link and all-round development”, and guided the majority of members to make full use of the land, ditch, roadsides, cottonseed, locust tree, mung bean, mung bean, Other green crops. Over the past six years, the orchard green manure more than 200 acres per year, with acacia leaves, apple leaves, etc., can harvest more than 500,000 kg of green manure, 5,000 apple trees to meet the needs of top dressing. Not only self-reliance to solve the food and fruit fight fertilizer, fertilizer contradictions, greatly reducing production costs, and the application of green manure has the following benefits: First, green manure efficiency, long stamina, yield significant. The field for several years in a row comparative test