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Management properties of ferralsols










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    Book (stand-alone)
    Soil survey interpretation and its use 1967
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    This soils bulletin brings together some of the methods which have been developed and tested in countries that have active programs of making and using soil surveys, and a summary of some of the principles of soil survey interpretation. It is mainly addressed for the soil scientist who is making and interpreting a soil survey, or who is re-interpreting a soil survey already completed. Methods are suggested, with examples, for comparative ratings of soils, capability grouping of soils for the com mon crops, estimating yields of crops on different kinds of soil under defined sets of other growth factors, groupings of soils for range and for woodland management, and use of soil maps and reports in engineering work that involves soils as foundations or as construction material. There are also brief discussions of soil maps for planning, use of soil maps in appraisal of land, and the preparation and use of general soil maps.
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    Approaches to land classification 1973
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    The papers presented here formed a part of the background documentation of an Expert Consultation on Land Evaluation for Rural Purposes, which was convened by the Food and Agriculture Organization of the United Nations in co-operation with the University of Agriculture and the International Institute for Land Reclamation and Improvement, Wageningen, Netherlands. The meeting was held at the International Agricultural Centre, Wageningen, 6-12 October 1972.
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    A practical manual of soil microbiology laboratory methods 1967
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    Soil microbiology is the science that deals with the millions of very small forms of life found in the soil. Agricultural crop production should insure that full use is made of the benefits to be gained from proper management of soil micro-organisms. The methods outlined in this soils bulletin represent various experimental approaches to the more important aspects of the subject matter of soil microbiology. The experimental approaches are simple, selected and designed to demonstrate techniques a nd principles but not advanced research methods.

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