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Organic materials and soil productivity

FAO Soils Bulletin 35









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    Soil management: compost production and use in tropical and subtropical environments
    FAO Soils Bulletin No. 56
    1987
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    The objective of this Soils Bulletin is to promote the use of locally available organic materials to increase soil organic matter content for improvement of soil fertility, and as a sources of plant nutrients in conjunction with mineral fertilizers. This manual is written for all those concerned with the maintenance and improvement of soil fertility, especially under tropical and subtropical conditions. It contains material for use in farmer training. The severe drought and famine in parts of Africa in 1985 have shown the necessity for adequate soil organic matter to prevent hillside erosion and to retain moisture in the soil for crop growth. The cost of mineral fertilizers and their relative scarcity in some areas has increased the need to recycle waste organic materials as sources of crop nutrients. This Bulletin explains the basic composting process, suitable organic wastes, practical composting methods, use of the product in a variety of situations and a consideration of econo mic and social benefits. It also deals with approaches to practical extension work with farmers on the subject.
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    Improved use of Plant Nutrients. Report of the Expert Consultation on Better Exploitation of Plant Nutrients, Rome, 18-22 April 1977
    FAO Soils Bulletin 37
    1978
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    FAO organized an Expert Consultation in April 1977 with participants from countries consuming both a high and low quantity of fertilizer, to identify possibilities for a more intensive and rational utilization of the valuable plant nutrients in mineral and organic fertilizers, with emphasis on conditions in developing countries. The conclusions reached should serve interested countries as a guide for follow-up activities in the more rational use of plant nutrients at the research and practical l evel. The participants were convinced that there are still ample possibilities for improvement and for making the costly and sometimes scarce plant nutrients more efficient and their use more economic.
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    Book (stand-alone)
    Organic materials and soil productivity in the Near East. Papers presented at the FAO/SIDA Workshop on the Use of Organic Materials for Improving Soil Productivity in the Near East. Alexandria (Egypt), 9 Oct 1978
    FAO Soils Bulletin 45
    1982
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    This Bulletin contains the papers and proceedings of the FAO/SIDA Workshop on Organic Materials and Soil Productivity in the Near East. In view of the important complementary effect of organic materials to mineral fertilizers and their role in improving the soil?s physical properties, the Workshop has dealt with a wide variety of items on techniques and uses of the organic materials and wastes including, composting, bio-fertilizers and biogas, the environmental and health aspects, and action g uidelines for follow-up activities in the Near East countries. The purpose of this Workshop was to promote and maintain interest in the use of organic materials for improving soil productivity in the Near East Region and to assist Member Countries in developing action programmes to achieve these goals. The proceedings of the workshop present sound recommendations, the implementation of which would assist in improving the soil productivity, raising crop production levels and producing a bette r quality of life.

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