Soil Degradation and Restoration in Africa: 1st Edition (Hardback) book cover

Soil Degradation and Restoration in Africa

1st Edition

Edited by Rattan Lal, B. A. Stewart

CRC Press

336 pages | 20 Color Illus. | 101 B/W Illus.

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Hardback: 9781138103313
pub: 2019-07-24
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Description

Soil degradation is a widespread problem in Africa resulting in low agricultural productivity while demand for food continues to increase. Degradation is caused by accelerated erosion, acidification, contamination, depletion of soil organic matter and plant nutrients, and salinization. Food and nutritional security of the growing population of Africa can only be achieved if degraded soils are restored, and soils of agroecosystems are managed prudently and sustainably. This book describes the soils of Africa, processes of soil degradation, extent and severity of soil degradation, and the impacts of degradation processes on food and nutritional security.

Table of Contents

Soil Degradation in Africa. Soils of Africa. Mapping Soil Degradation. Status of Soil Degradation in Sub-Saharan Africa. Assessing Degradation with NDVI. Assessing Erosion. Monitoring Erosion. Soil Erosion in South Africa. Wind Erosion in the Sahel. Wind-Blown Dust. Secondary Salinization. Soil Salinity. Decline of Soil Quality. Soil and Nutrient Losses. Salt Affected Soils. Regional Distribution of Degraded Soils. Factors Affecting Soil Degradation. Effect of Heavy Grazing. Ecological Factors. Human Dimensions. Soil Compaction. Cyanobacterial Soil Crusts. Biological Soil Crusting. Texture and Mineralogical Controls. Soil Fertility Decline and Depletion. Nutrient Balance and Budgeting. Nutrient Use Efficiency. Population Density. Social Factors. Land Pressure. Soil Pollution and Human Health. Pesticide Pollution. Impact of Soil Degradation. Degradation on SOC Stock. Organic Matter Decline. Depletion in Arable Lands. Impacts on Soil Carbon Stocks. Soil Restoration. Sustainable Soil Management. Managing Soil Quality. Climate-Resilient Maize. Rangeland Management. Biochar for Remediation. Agronomic Practices to improve Degraded Soil. Carbon Sequestration. Climate-Smart Agriculture. Conservation Farming. Policy Interventions. Economic Issues Related to Degraded Soils in Eastern Africa.

About the Editors

Rattan Lal, PhD, is a Distinguished University Professor of Soil Science and Director of the Carbon Management and Sequestration Center, The Ohio State University, and an Adjunct Professor of University of Iceland. His current research focus is on climate-resilient agriculture, soil carbon sequestration, sustainable intensification, enhancing use efficiency of agroecosystems, and sustainable management of soil resources of the tropics. He received honorary degree of Doctor of Science from Punjab Agricultural University (2001), the Norwegian University of Life Sciences, Aas (2005), and Alecu Russo Balti State University, Moldova (2010). He was president of the World Association of the Soil and Water Conservation (1987-1990), the International Soil Tillage Research Organization (1988-91), the Soil Science Society of America (2005-2007), and is President Elect of International Union of Soil Science. He was a member of the Federal Advisory Committee on U.S. National Assessment of Climate Change-NCADAC (2010-2013), member of the SERDP Scientific Advisory Board of the US-DOE (2011-), Senior Science Advisor to the Global Soil Forum of Institute for Advanced Sustainability Studies, Potsdam, Germany (2010-), member of the Advisory Board of Joint Program Initiative of Agriculture, Food Security and Climate Change (FACCE-JPI) of the European Union (2013-), and Chair of the Advisory Board of Institute for Integrated Management of Material Fluxes and Resources of the United Nation University (UNU-FLORES), Dresden, Germany (2014-2017). Prof. Lal was a lead author of IPCC (1998-2000).

B.A. Stewart is Director of the Dryland Agriculture Institute and a distinguished professor of soil science at West Texas A&M University, Canyon, Texas. He is a former director of the USDA Conservation and Production Laboratory at Bushland, Texas; past president of the Soil Science Society of America; and member of the 1990-1993 Committee on Long-Range Soil and Water Policy, National Research Council, National Academy of Sciences. He is a fellow on the Soil Science Society of America, American Society of Agronomy, Soil and Water Conservation Society, a recipient of the USDA Superior Service Award, a recipient of the Hugh Hammond Bennett Award of the Soil and Water Conservation Society, an honorary member of the International Union of Soil Sciences in 2008. In 2009, Dr. Stewart was inducted into the USDA Agriculture Research Service Science Hall of Fame . Dr. Stewart is very supportive of education and research on dryland agriculture. The B.A. and Jane Ann Stewart Dryland Agriculture Scholarship Fund was established in West Texas A&M University in 1994 to provide scholarships for undergraduate and graduate students with a demonstrated interest in dryland agriculture. Scholarship Fund was established in West Texas A&M University in 1994 to provide scholarship for undergraduate and graduate students with a demonstrated interest in dryland agriculture.

About the Series

Advances in Soil Science

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Subject Categories

BISAC Subject Codes/Headings:
NAT011000
NATURE / Environmental Conservation & Protection
SCI011000
SCIENCE / Life Sciences / Botany
SCI086000
SCIENCE / Life Sciences / General
TEC003000
TECHNOLOGY & ENGINEERING / Agriculture / General