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DB50/T 995-2020 新增耕地质量评定技术规范

简介
DB50/ T 995-2020
新增耕地质量评定技术规范
Technical regulation for added Cultivated land quality assessment
2020-06-01实施
2020-04-10发布 目 次 前言...................................................................................................................................................................1 1范围................................................................................................................................................................. 1 2规范性引用文件.............................................................................................................................................1 3术语和定义.....................................................................................................................................................1 4技术准备.........................................................................................................................................................2 4.1资料收集.................................................................................................................................................2 4.2划分评价单元.........................................................................................................................................2 5评定指标及权重.............................................................................................................................................2 5.1环境因素(权重占 25%)......................................................................................................................2 5.2农田设施(权重占 25%)......................................................................................................................2 5.3土壤属性(权重占 50%)......................................................................................................................2 6评定方法.........................................................................................................................................................3 6.1现场调查踏勘.........................................................................................................................................3 6.2土壤样品采集与检测.............................................................................................................................3 6.3指标核定打分.........................................................................................................................................4 6.4合格标准与等级确定.............................................................................................................................4 7评定程序.........................................................................................................................................................4 7.1评定申请.................................................................................................................................................4 7.2登记录入.................................................................................................................................................4 7.3室内选点.................................................................................................................................................5 7.4现场作业.................................................................................................................................................5 7.5数据资料整理、样品制备.....................................................................................................................5 7.6化验检测.................................................................................................................................................5 7.7专家评定.................................................................................................................................................5 7.8编写报告.................................................................................................................................................5 本标准按照GB/T1.1-2009给出的规则起草。 本标准由重庆市农业技术推广总站提出。 本标准由重庆市农业农村委员会归口。