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1976-01-19 The proper management of soils in the tropics is one of the critical and least understood components in the worldwide race between food production and population growth. This book compiles the available information on properties and management of tropical soils, with emphasis on ways to increase...
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1945-03-01 Technical Bulletin no. 5 31 pages, tables
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1950-05-01 The rocks of the several geological formations are described briefly, and a correlation between the geological formations of this state and those of nearby states is made. Analyses of several samples of rocks from many of the geological formations indicated that selenium is usally present in the...
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1962-01-01 This book discusses comprehensively the principles and methods of soil management and all related aspects of agricultural practice. 609 pages, illustrated
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1966-01-01 475 pages, illustrated
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1986-01-01 The purpose of this manual is to assemble in one book the basic concepts needed for successful planning and development of freshwater fish culture, and to introduce them in a simple way.
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1994-01-01 462 pages, illustrated, photos SSSA Miscellaneous Publication
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1991-01-01 Proceedings of a symposium by Division S-5 of the Soil Science Society of America, 29 November, 1988
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1966-01-01 The purpose of this booklet is to introduce the student to the soil as an environment for life, and then to describe the organisms inhabiting it as well as their characteristic activities. 60 pages, illustrated, photos The Institute of Biology's Studies in Biology no. 2
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1954-08-01 It is the purpose of this handbook to bring together and summarize information that will be useful, particularly to professional agricultural workers, for the diagnosis and improvement of saline and alkali soils. It is a practical guide for those who are confronted with soil, plant, and water...