Download or read book A West African Soil Climosequence and Some Aspects of Foodcrop Potential written by Terry Robert Forbes and published by . This book was released on 1975 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalogue of Research Literature for Development Food production and nutrition development and economics education and human resources health selected development areas written by United States. Agency for International Development. Bureau for Technical Assistance and published by . This book was released on 1977 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalogue of Research Literature for Development Food production and nutrition written by United States. Agency for International Development. Bureau for Technical Assistance and published by . This book was released on 1976 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Priorities for Alleviating Soil related Constraints to Food Production in the Tropics written by and published by Int. Rice Res. Inst.. This book was released on 1980 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A I D Research and Development Abstracts written by and published by . This book was released on 1976 with total page 1136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Characterization of Soils in Relation to Their Classification and Management for Crop Production written by D. J. Greenland and published by Oxford University Press, USA. This book was released on 1981 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soils and crop production in the lowland humid tropics; Representative toposenquences of soils in southern Nigeria and their pedology; Mineralogy; Chemical characteristics; Degree of weathering and surface properties of clays; Phosphorus sorption and release; Physical properties; Micronutrient status; Microbiological factors; Management of the soils for continuous production: controlling erosion and maintaining physical condition; Management of the soils for continuous productions: controlling nutrient status; Soil management in the Oxisol savannahs and Ultisol jungles of tropical South America; Soil fertility-capacibility assessment for use in the humid tropics; Climates of the tropics in relation to crop productivity; Farming systems and crops of the humid tropics in relation to soil utilization; Appendix 1: profile locations, descriptions, and analyses; Appendix 2: farming systems and crops of the humid tropics of West Africa.
Download or read book Traditional African Farming Systems in Eastern Nigeria written by Johannes Lagemann and published by . This book was released on 1977 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agricultural research monograph on traditional farming systems in eastern Nigeria - examines land utilization, and cultivation techniques of small farm sizes in a rural area of high population density, and covers soil fertility, crop yields, input output features, agricultural incomes, etc. Bibliography pp. 251 to 269, graphs, maps and statistical tables.
Download or read book Farming Systems in the Tropics written by Hans Ruthenberg and published by Oxford University Press, USA. This book was released on 1980 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings written by and published by . This book was released on 1996 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Silica as an Index of Weathering in Soils of the Tropics written by Elisabeth Bui and published by . This book was released on 1980 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book West African Soils written by P. M. Ahn and published by . This book was released on 1970 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Spatial Distribution and Formation Mechanisms of Rainfall induced Crusts on Coarse textured Soils written by Charles L. O. Bielders and published by . This book was released on 1994 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Alleviating Soil Fertility Constraints to Increased Crop Production in West Africa written by A. Uzo Mokwunye and published by Springer. This book was released on 1991-09-30 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tropical Africa escaped from the glaciers that covered the temperate parts of the world during the Ice Age. The legacy is that most of the parent materials of the soils of tropical Africa are old, highly weathered and devoid of bases and phosphate-bearing minerals. Traditional farming systems which were relatively stable and sustainable relied on long fallow periods after one to two years of cropping to maintain the productive capacity of the soils. In recent times and especially in densely populated areas, a sizeable class of 'landless' farmers have begun to cultivate marginal lands or to invade the 'forest reserves' thereby exacerbating the problems of land and environ mental degradation. of soil fertility that will facilitate the production of adequate quantities of the principle Maintaining a level staples has become a major challenge to agricultural scientists in tropical Africa. To increase the nutrient supplying power of soils requires the inputs of fertilizers. These can be organic or inorganic. The efficiency with which these externally supplied inputs can increase agricultural production and reduce soil and environmental deterioration is dependent on the ability of scientists to determine the right types and quantities of the products to apply to each soil, crop and cropping system as well as the ability of farmers to acquire requisite farm manage ment skills.
Download or read book The Role of Free Iron Oxides in the Retention of Phosphorus in Some Highly Weathered Soils of the Tropics written by Kingston W. Nyamapfene and published by . This book was released on 1979 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book West African Soils written by Peter M.. Ahn and published by . This book was released on 1979 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fourth Meeting of the West African Sub Committee for Soil Correlation and Land Evaluation written by Food and Agriculture Organization of the United Nations. West African Sub-Committee for Soil Correlation and Land Evaluation. Meeting and published by . This book was released on 1979 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The United States and Sub Saharan Africa written by and published by . This book was released on 1984 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:
