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春土豆,是店子乡主要蔬菜之一,常年种植1600公顷以上。肥料品种,对土豆生产至关重要,我站于2004年春,在春土豆生产上,进行了肥效对比试验。经测产验收,结果表明,用“离不了”缓释控释复合肥,不但长效高产,而且增收节支,每亩达168.66元。一、基本情况1.试验设计:供试面积2/15公?
Spring potato, is one of the main vegetables Dianzi Township, perennial planted 1600 hectares or more. Fertilizer species, essential to the production of potatoes, I stand in the spring of 2004, in the production of spring potatoes, fertilizer efficiency comparison test. The test results of acceptance, the results show that the use of “inseparable” sustained-release controlled-release fertilizer, not only long-term high yield, but also increase income and expenditure, up to 168.66 yuan per mu. First, the basic situation 1. Experimental Design: The test area of 2/15 public?