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Book (stand-alone)Soil survey interpretation and its use 1967
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No results found.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. -
Book (stand-alone)The preparation of soil survey reports 1970
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No results found.The purpose of this publication is to highlight some of the problem that arise in reporting the findings of soil surveys and to suggest ways in which these problems may be overcome. The publication is intended to serve as a general guide to report writing for soil surveyors employed by FAO, but it is hoped that it will prove valuable to a much wider range of readers. -
Book (stand-alone)Management properties of ferralsols 1979
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No results found.The FAO Soil Map of the World has in part filled the gap created by the absence of an internationally accepted classification system. Ferralsols have been selected as the first soil order for which a reference publication should be made; they occur in tropical regions, where communications and the transfer of knowledge has not kept pace with the rapid development and the needs of growing populations.
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