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Author : Thomas Eden
Publisher : Unknown
Page : 136 pages
File Size : 46,7 Mb
Release : 1961
Category : Agriculture
ISBN : OCLC:315040866
Author : T. Eden
Publisher : Unknown
Page : 0 pages
File Size : 46,7 Mb
Release : 1971
Category : Electronic
ISBN : OCLC:1417592923
Author : Bernard P. K. Yerima,E. Van Ranst
Publisher : Trafford Publishing
Page : 514 pages
File Size : 45,6 Mb
Release : 2005
Category : Education
ISBN : 9781412058537
A basic and applied textbook, ideal for students.
Author : Samson O. Olaitan,G. Lombin
Publisher : Unknown
Page : 126 pages
File Size : 52,9 Mb
Release : 1984
Category : Soils
ISBN : 0333360168
Author : A. Young
Publisher : CUP Archive
Page : 502 pages
File Size : 52,7 Mb
Release : 1976
Category : Science
ISBN : 0521210542
This is a book about tropical soils written from the point of view of the field soil scientist.
Author : F. S. C. P. Kalpagé
Publisher : Unknown
Page : 332 pages
File Size : 49,9 Mb
Release : 1974
Category : Soils
ISBN : UOM:39015001932386
The tropical environment; Factors affecting soil formation; Processes of soil formation; Classification of tropical soils; Profile features and fertility characteristics of the great soil groups; Physical properties; Nutrient supply: macro and secondary nutrients; Nutrient supply: micronutrients; Soil organic matter and soil organisms; Soil use in the the tropics; Soils under shiftingm cultivation; Soils under intensive upland arable cropping; Flooded rece soils; Plantation soils; Tropical grassland soils; Fertilizers in tropical soil fertility.
Author : Patrice Dion
Publisher : Springer Science & Business Media
Page : 322 pages
File Size : 51,6 Mb
Release : 2010-02-04
Category : Technology & Engineering
ISBN : 9783642050763
The relationships between soils, microbes and humans are of crucial relevance in the tropics, where plant stress and microbial activity are exacerbated. This volume of Soil Biology presents the living component of tropical soils, showing how it is shaped by environmental conditions and emphasizing its dramatic impact on human survival and well-being. Following an introduction to the specificities of tropical soils and of their microbial communities, the biological aspects of soil management are examined, dealing with land use change, conservation and slash-and-burn agriculture, the restoration of hot deserts, agroforestry and paddy rice cultivation. As they are of particular relevance for tropical agriculture, symbioses of plants and microbes are thoroughly covered, as are the biodegradation of pesticides and health risks associated with wastewater irrigation. Lastly, traditional soil knowledge is discussed as a key to our sustainable presence in this world.
Author : Kim H. Tan
Publisher : CRC Press
Page : 584 pages
File Size : 52,7 Mb
Release : 2008-05-28
Category : Technology & Engineering
ISBN : 1420069101
Highlighting the vast differences in tropical climate, from hot and humid to cool and arctic, Soils in the Humid Tropics and Monsoon Region of Indonesia explores the climate, soil zones, and altitudinal variation in soil formation. The author explores the changes in geomorphology, especially in climate and vegetation above sea level, that have yielded zones of different soils. The book makes accessible hard-to-find information translated from Dutch archives. Informally divided into two parts, it begins with coverage of the development of soil science in Indonesia. The author reviews the geography and geomorphology of the archipelago, climate, vegetation, and mineralization and humification processes as factors of soil formation. The second part examines the major soils, their genesis, properties, taxonomy, land use, and evaluation. The discussion moves from lowlands, to uplands, then mountains, and concludes with andosols found in the mountains as well as in the lowlands. Focused and timely, this book knits new knowledge with old but important information that has been previously difficult to access. These features and more make it an important resource in this field.
Author : Benjamin C. Mahilum
Publisher : Unknown
Page : 266 pages
File Size : 55,8 Mb
Release : 2004-06-01
Category : Soil biology
ISBN : 0615125832
A comprehensive treatise on fundamentals of soil science including: *Soil genesis and parent materials *Clay mineralogy *Physical and chemical properties of soils *Soil survey and classification *Soil organisms and organic matter *Fertilizer technology and usage *Improving acidic and alkaline soils *Soil and water conservation *Distinct features of tropical soils. An excellent guide for students in soil science, agriculturists and environmentalists.
Author : Peter McDonald
Publisher : Cornell University Press
Page : 476 pages
File Size : 53,7 Mb
Release : 1994
Category : Technology & Engineering
ISBN : 0801429218
A collection of 14 discussions of the past and present literature about soil science. The topics include a historical survey, bibliometrics, introduction into developing countries, societies and their publishing influence, information systems, core monographs, primary journals, maps, and other aspec
Author : Elemer Bornemisza,Alfredo Alvarado
Publisher : Unknown
Page : 576 pages
File Size : 49,8 Mb
Release : 1975
Category : Soil management
ISBN : UIUC:30112019983987
Author : Y.R. Dommergues,G.H. Diem
Publisher : Springer Science & Business Media
Page : 346 pages
File Size : 47,7 Mb
Release : 1982-11-30
Category : Nature
ISBN : 9024726247
It is an established fact that we must continually increase and improve agricultural production if we are to meet even the minimum requirements of a growing popu lation for food, shelter, and fuel. In recent years, the introduction of new plant varieties and the extensive use of fertilizers have effectively increased crop yields, but intensifying agricultural methods has often led to depleting soil fertility. Two examples of the harmful consequences of intensive farming practices are the loss of up to 2.5 cm of topsoil every 15 years in the United States through erosion and the alarming rise in environmental pollution through widespread use of pesticides. Countless other processes affecting the activity of soil micro flora and the inter actions between microorganisms and plants may pose an equal danger to soil equilibrium, but their potential hazards are often overlooked because of an insufficient understanding of soil microbiology on the part of scientists. In the first published study of its kind, the authors of this book have attempted to address major aspects of the microbial activity of soil in the tropics. Tropical conditions serve as an ideal context for a discussion of soil microbiology, since biological processes in the soil are particularly active in tropical environments in comparison to other settings and in relation to physical and chemical processes.
Author : Anonim
Publisher : Int. Rice Res. Inst.
Page : 477 pages
File Size : 40,7 Mb
Release : 1980
Category : Agriculture
ISBN : 9789712202247
Author : Arnold Clifford Orvedal
Publisher : Unknown
Page : 168 pages
File Size : 43,6 Mb
Release : 1980
Category : Agriculture
ISBN : PURD:32754078871146
Author : Arnold Clifford Orvedal
Publisher : Unknown
Page : 168 pages
File Size : 44,7 Mb
Release : 1975
Category : Soils
ISBN : PSU:000009774452
