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Author : P. L. Woomer,M. J. Swift
Publisher : Unknown
Page : 243 pages
File Size : 43,7 Mb
Release : 1994
Category : Electronic
ISBN : OCLC:475543756
Author : P. L. Woomer,M. J. Swift
Publisher : John Wiley & Sons
Page : 260 pages
File Size : 53,5 Mb
Release : 1994-12-05
Category : Science
ISBN : UOM:39015034231517
This book reports on the first five years of research by scientists of the Tropical Soil Biology and Fertility Programme
Author : Anthony S. R. Juo,Kathrin Franzluebbers
Publisher : Oxford University Press
Page : 292 pages
File Size : 40,9 Mb
Release : 2003-09-18
Category : Technology & Engineering
ISBN : 9780195353877
Agricultural ecology, or agroecology, deals in general with the structure and function of agroecosystems at different levels of resolution. In this text/reference, the authors describe in terms of agroecology the tropical environments of sub-Saharan Africa, Southeast Asia, and Latin and Central America, focusing on production and management systems unique to each region.
Author : Tropical Soil Biology and Fertility Programme
Publisher : Unknown
Page : 54 pages
File Size : 48,6 Mb
Release : 1997
Category : Soil biology
ISBN : STANFORD:36105110093650
Author : Patrice Dion
Publisher : Springer Science & Business Media
Page : 322 pages
File Size : 50,8 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 : Norman Uphoff,Andrew S. Ball,Erick Fernandes,Hans Herren,Olivier Husson,Mark Laing,Cheryl Palm,Jules Pretty,Pedro Sanchez,Nteranya Sanginga,Janice Thies
Publisher : CRC Press
Page : 784 pages
File Size : 50,6 Mb
Release : 2006-03-03
Category : Technology & Engineering
ISBN : 9781420017113
Global agriculture is now at the crossroads. The Green Revolution of the last century is losing momentum. Rates of growth in food production are now declining, with land and water resources becoming scarcer, while world population continues to grow. We need to continue to identify and share the knowledge that will support successful and sustainable agriculture systems. These depend crucially on soil. Gaining international attention, Dr. Uphoff’s efforts to promote and develop sustainable agriculture was recently featured in the N.Y. Times Led by Norman Uphoff, internationally renowned for his proactive approach to world hunger, this volume brings together 102 experts representing 28 nations and multiple disciplines to report on achievements in sustainable soil-system management. While accepting some continuing role for chemical and other external inputs, this book presents ways in which crops can be produced cost effectively in greater abundance with lessened dependence on the exogenous resources that have driven the expansion of agriculture in the past. Including the work of both researchers and practitioners, this important volume — · Explores soil systems in a variety of climate conditions · Discusses the importance of symbiotic relationships between plants and soil organisms, looking at crops as integral and interdependent participants in ecosystems · Seeks to reduce the distance between scientific research and technical practice · Examines related considerations such as pest and disease control, climate change, fertility restoration, and uses of monitoring and modeling With 50 self-contained chapters, this work provides researchers, practitioners, and policy makers with a comprehensive understanding of the science and steps needed to utilize soil systems for the long-term benefit of humankind. For information on the SRI, System of Rice Intensification being developed by Uphoff and others, go to http://ciifad.cornell.edu/sri/
Author : Jonathan Michael Anderson,J. S. I. Ingram
Publisher : Unknown
Page : 196 pages
File Size : 53,5 Mb
Release : 1989
Category : Science
ISBN : UOM:39015055711561
In this handbook methods are given to determine soil characteristics, organic matter compounds, phosphorus in soil, nitrogen fixation, soil solution sampling, plant nutrient uptake and the nitrogen availability
Author : Lynette K. Abbott,Daniel V. Murphy
Publisher : Springer Science & Business Media
Page : 267 pages
File Size : 40,6 Mb
Release : 2007-09-27
Category : Nature
ISBN : 9781402066184
It is becoming more relevant to explore soil biological processes in terms of their contribution to soil fertility. This book presents a comprehensive scientific overview of the components and processes that underpin the biological characteristics of soil fertility. It highlights the enormous diversity of life in soil and the resulting effects that management of land can have on the contribution of this diverse community to soil fertility in an agricultural context.
Author : Fatima M. S. Moreira,E. Jeroen Huising,David E. Bignell
Publisher : Routledge
Page : 257 pages
File Size : 40,7 Mb
Release : 2012-05-04
Category : Nature
ISBN : 9781136573101
This practical handbook describes sampling and laboratory assessment methods for the biodiversity of a number of key functional groups of soil organisms, including insects, earthworms, nematodes, fungi and bacteria. The methods have been assembled and the protocols drafted by a number of scientists associated with the UNEP-GEF funded Conservation and Sustainable Management of Below-Ground Biodiversity Project, executed by the Tropical Soil Biology and Fertility (TSBF) Institute of the International Center for Tropical Agriculture (CIAT). The methods provide a standardized basis for characterizing soil biodiversity and current land uses in terrestrial natural, semi-natural and agroecosystems in tropical forests and at forest margins. The aim is to assess soil biodiversity against current and historic land use practices both at plot and landscape scales and, further, to identify opportunities for improved sustainable land management through the introduction, management or remediation of soil biota, thus reducing the need for external inputs such as fertilizers and pesticides. The book also contains extensive advice on the handling of specimens and the allocation of organisms to strain or functional group type. Published with TSBF-CIAT, CTA, UNEP and GEF
Author : Christopher Martius,Holm Tiessen,Paul L.G. Vlek
Publisher : Springer Science & Business Media
Page : 260 pages
File Size : 47,7 Mb
Release : 2013-11-11
Category : Science
ISBN : 9789401721721
Soil organic matter is a reservoir for plant nutrients, provides water-holding capacity, stabilizes soil structure against compaction and erosion, and thus determines soil productivity. All agriculture to some degree depends on soil organic matter. It has long been known that soil organic matter declines when land is taken into cultivation, and that the productivity of new agricultural land is governed by fertility contributions from decomposing natural organic matter. The expansion of agriculture to ever new and more fragile lands, particularly in tropical and developing regions, causes environmental degradation with local effects on soil quality, regional effects on landscape integrity and water quality, and global effects on carbon cycles and the atmosphere. This book summarizes current knowledge of the properties and dynamics of soil organic matter in the tropics, its role in determining soil quality, its stability and turnover, and the options for management in the context of tropical landuse systems, for a readership of resource scientists, economists and advanced students. Maintenance of organic matter is critical for preventing land degradation. Case studies and practical applications are therefore an important part of the book, as are the exploration of future directions in research and management.
Author : André Bationo
Publisher : CIAT
Page : 632 pages
File Size : 51,9 Mb
Release : 2004
Category : Nutrient cycles
ISBN : 9789966240750
Author : Nteranya Sanginga,Paul L. Woomer
Publisher : CIAT
Page : 270 pages
File Size : 54,7 Mb
Release : 2009
Category : Soil fertility
ISBN : 9789290592617
Forward. A call for integrated soil fertility management in Africa. Introduction. ISFM and the African farmer. Part I. The principles of ISFM: ISFM as a strategic goal, Fertilizer management within ISFM, Agro-minerals in ISFM, Organic resource management, ISFM, soil biota and soil health. Part II. ISFM practices: ISFM products and fields practices, ISFM practice in drylands, ISFM practice in savannas and woodlands, ISFM practice in the humid forest zone, Conservation Agriculture. Part III. The process of implementing ISFM: soil fertility diagnosis, soil fertility management advice, Dissemination of ISFM technologies, Designing an ISFM adoption project, ISFM at farm and landscape scales. Part IV. The social dimensions of ISFM: The role of ISFM in gender empowerment, ISFM and household nutrition, Capacity building in ISFM, ISFM in the policy arena, Marketing support for ISFM, Advancing ISFM in Africa. Appendices: Mineral nutrient contents of some common organic resources.
Author : Amitava Chatterjee,David E. Clay
Publisher : John Wiley & Sons
Page : 160 pages
File Size : 44,5 Mb
Release : 2020-05-19
Category : Technology & Engineering
ISBN : 9780891183532
In Soil Fertility Management in Agroecosystems, Editors Amitava Chatterjee and David Clay provide a thoughtful survey of important concepts in soil fertility management. For the requirements of our future workforce, it is imperative that we evolve our understanding of soil fertility. Agronomists and soil scientists are increasingly challenged by extreme climatic conditions. Farmers are experimenting with integrating cover crops into rotations and reducing the use of chemical fertilizers. In other words, there is no such a thing as a simple fertilizer recommendation in today's agriculture. Topics covered include crop-specific nutrient management, program assessment, crop models for decision making, optimization of fertilizer use, cover crops, reducing nitrous oxide emissions, natural abundance techniques, tile-drained conditions, and soil biological fertility.
Author : Tropical Soil Biology and Fertility Programme
Publisher : Unknown
Page : 48 pages
File Size : 48,9 Mb
Release : 1993
Category : Soil biology
ISBN : 996698920X
Author : F. Bernhard-Reversat
Publisher : CIFOR
Page : 71 pages
File Size : 43,9 Mb
Release : 2001-01-01
Category : Eucalyptus
ISBN : 9789798764721
Improvement of biodiversity in plantations. Biological factors of fertility related to organic matter dynamics. Biological factors of fertility related to the diversity and density of soil biota. Asymbiotic nitrogen fixation in savanna and eucalypt plantations. Effect of exotic tree plantations on free living and plant parasitic soil nematodes and population changes with eucalypt hybrids and plantation age.