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Some problem areas connected with soil testing and with reporting soil test and plant analysis results are explored, A uniform system for reporting soil test results is suggested as a step towards further standardization of soil test methods within and among states.

出版机构：Taylor & Francis

刊物名称：Communications in Soil Science and Plant Analysis

出版时间：1971

ISSN：0010-3624

数据源：报刊文摘

Soil fertility recommendations based on a balanced saturation of the cation exchange capacity

The method for making lime and fertilizer recommendations based on a soil test are presented. These procedures are used by United States Testing Company.

出版机构：Taylor & Francis

刊物名称：Communications in Soil Science and Plant Analysis

出版时间：1971

ISSN：0010-3624

数据源：报刊文摘

ASCS certification for commercial and private soil testing laboratories

出版机构：Taylor & Francis

刊物名称：Communications in Soil Science and Plant Analysis

出版时间：1971

ISSN：0010-3624

数据源：报刊文摘

Use of the nitrate specific ion electrode in soil testing

The construction, theory and many of the factors such as interfering anions, extracting agents, soil to solution ratio, reference electrodes, accuracy and precision of the nitrate ion selective electrode are discussed in relation to routine soil testing for nitrate nitrogen.

出版机构：Taylor & Francis

刊物名称：Communications in Soil Science and Plant Analysis

出版时间：1971

ISSN：0010-3624

数据源：报刊文摘

Considerations in the development of soil tests for “available” zinc

出版机构：Taylor & Francis

刊物名称：Communications in Soil Science and Plant Analysis

出版时间：1971

ISSN：0010-3624

数据源：报刊文摘

The determination of boron in soil extracts, plant materials, composts, manures, water and nutrient solutions

pid colorimetric method for the determination of boron in soil extracts, plant materials, composts, manures, water and nutrient solution is proposed. The method is rapid, reliable and carried out in aqueous solution.

出版机构：Taylor & Francis

刊物名称：Communications in Soil Science and Plant Analysis

出版时间：1971

ISSN：0010-3624

数据源：报刊文摘