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为了探讨几种主要微肥在甘肃不同土壤和作物上的增产效果及合理施用技术,为大面积推广应用提供依据,我们根据全国化肥试验网的要求及本省实际,从1981年开始陆续开展了锌、硼、钼、锰微肥肥效的试验研究。试验均在田间进行,小区面积0.04—0.05亩,重复4—3次,拉丁方或随机区组排列。试验是在按当地一般水平施用农肥和氮磷肥的基础上进行
In order to explore the effects of several major micronutrients on the yield increase and rational application of different soils and crops in Gansu Province and provide the basis for popularization and application in large area, according to the requirements of the National Fertilizer Experiment Network and the reality of our province, Experimental Study on Fertilizer Efficiency of Boron, Molybdenum and Manganese Microelement. The experiments were conducted in the field, the plot area of 0.04-0.05 acres, repeated 4-3 times, Latin square or random block arrangement. The experiment was conducted on the basis of the application of agricultural fertilizer and nitrogen and phosphorus fertilizer according to the local general level