Sludge. Organic soil conditioners. Growth media. Preparation of partially dry test samples. Expression of results.
Soil : inverstigation and testing. Determination of Atterberg's limits. Liquid limit test using cassagrande apparatus. Plastic limit test on rolled thread.
实施日期:1993-03-01
Solid fertilizers -- Reduction of samples
适用范围:The method consists in passaging of the material through a rotating sample divider and collecting of the fractions, followed by rejection or recombination of some of the fractions. By choosing suitable...
发布日期:1988-05-31 实施日期:1988-05-31
Standard Guide for Comparison of Techniques to Quantify the Soil-Water (Moisture) Flux
实施日期:2001-03-10
Soil quality; determination of pressure potential
适用范围:The document specifies tensiometer methods for determination of pressure potential (<psi>) of soil water in the range of as low as -85 kPa.
Fertilizers and soil amendments- Regulations of label and specification assessment
适用范围:本标准规定了肥料和土壤调理剂标签规范、标明值判定、试验方法及检验规则的技术要求。本标准适用于中华人民共和国境内生产、销售、使用的肥料和土壤调理剂商品标签、订单合同以及标明值判定。本标准不适用于中华人民共和国境...
发布日期:2018-03-15 实施日期:2018-06-01
Soil quality. Determination of trace elements in extracts of soil by inductively coupled plasma. Atomic emission spectrometry (icp-aes) first edition
适用范围:This International Standard describes the determination of trace elements in digests or extraction solutionsfrom soil by inductively coupled plasma - atomic emission spectrometry (ICP-AES) for 34 eleme...
发布日期:2008-12-09 实施日期:2008-12-15
Guid Line of Activeted Humic Acid Application on Rice Nursurey
适用范围:本标准规定了活化腐植酸在水稻育苗上施用技术。本标准适用于工厂化水稻育苗。
发布日期:2019-12-24 实施日期:2020-01-24
Fertilizers - Determination of chelating agents in fertilizers by ion chromatography - Part 1 : EDTA, HEDTA and DTPA.
实施日期:2001-05-01
Code of Practice for Restoration of Degraded Alpine Grassland Soil by Eco-bag Technique
适用范围:本文件适用于青藏高原高寒退化草地的恢复。
发布日期:2020-12-16 实施日期:2020-12-17
Technical specification for interception, collection and reuse of runoff from sloping farmland
适用范围:本文件规定了坡耕地径流拦需与再利用技术的基本原则、径流拦截、径流集蓄、径流再利用的内容。本文件适用于坡耕地径流的拦截、集蓄与再利用。
发布日期:2020-11-12 实施日期:2021-04-01
General rule of planning for comprehensive control of soil erosion
实施日期:1996-07-01
Fertilizers-Guideline of risk control for coating materials
适用范围:本标准规定了肥料包膜材料的术语和定义、包膜要求、风险等级、试验评价及风险评价。本标准适用于以无机和(或)有机聚合物材料进行包膜的肥料。本标准不适用于添加脲酶抑制剂和硝化抑制剂的肥料及脲甲醛肥料。
发布日期:2019-12-27 实施日期:2020-04-01
Soil quality - Determination of soil water content as a volume fraction on the basis of known dry bulk density - Gravimetric method (ISO 16586:2003)
实施日期:2006-06-01
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