内容简介
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。