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一、监测点概况及监测数据取得方法1.监测点概况监测点设在尉犁县塔里木乡园艺村农业技术推广中心试验田,该耕地种植棉花12年,前9年为常规灌溉,2009～2011年采用高标准节水滴灌。监测点施肥由技术人员每年按照土测值和棉花产量情况等调整配方施肥,棉花播种前和收获后及时采集土样化验分析。2.监测数据取得方法施用肥料为尿素(46%)、三料(46%)、硫酸钾(50%)。地力产量为空白区(不施肥区)的皮棉产量,
I. Overview of Monitoring Points and Methods of Obtaining Monitoring Data 1. Overview of Monitoring Points The monitoring points are located in the experimental field of Agricultural Technology Extension Center of Huali Village, Tarim Township, Yuli County. The cultivated land is planted with cotton for 12 years, and the first 9 years of conventional irrigation are used from 2009 to 2011 High standard water drip irrigation. Monitoring point fertilization by the technical staff annually in accordance with soil measurements and cotton yield and other adjustments formula fertilization, cotton sowing before and after harvest timely sampling analysis. 2. Method for Obtaining Monitoring Data Fertilizers were urea (46%), three (46%) and potassium sulphate (50%). Lint yield of blank area (not fertilized area) of lint yield,