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晚大豆是我县主要农作物之一,播种面积占全县晚秋作物面积的16.7％。1986年我们在龙布乡老圩村阳石长田块上,进行了晚大豆施磷最佳经济用量田间试验,以寻求在当地条件下,晚大豆施磷的最佳用量和最适范围,为经济合理施肥提供依据。现将试验结果初报如下:
Late soybean is one of the main crops in our county, sown area accounted for 16.7% of the crop area in the county late autumn. In 1986, we conducted a field experiment on the optimum economic amount of late soybean phosphorus application on the Yangshi Longtian block of Laoxu Village, Longbu Township in order to find the optimal dosage and optimum range of phosphorus application for late soybean under local conditions, Reasonable fertilization provide the basis. The first test results are reported as follows: