为了解鄯善县农业耕地土壤肥力的变化状况及演变趋势,有效地保持和提高土壤肥力,增强农业发展后劲。我们于1982年农村土地承包经营后开始,连续8年在全县范围进行了土壤肥力定位调查分析,现将结果综述如下。 一、调查设计处理: 全县六个乡共安排了13个土壤肥力定位监测点,其中农作物(粮,棉)7个点,葡萄6个点,每年于10月上旬在各点采土取样,由鄯善县农技推广中心化验室进行分析。分 In order to understand the changing status and evolvement trend of soil fertility of agricultural cultivated land in Shanshan County, we can effectively maintain and improve soil fertility and enhance the stamina of agricultural development. We started in 1982 after the contractual operation of rural land, for eight consecutive years in the county conducted a survey of soil fertility survey, the results are summarized below. First, the survey design and processing: the county six townships arranged a total of 13 soil fertility monitoring points, of which crops (grain, cotton) 7 points, 6 points of grapes, soil sampling every year in early October at various points, Analysis by Shanshan Agricultural Technology Extension Center Laboratory. Minute