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Food Security and Soil Quality de Rattan Lal

Food Security and Soil Quality: Advances in Soil Science

Editat de Rattan Lal, B. A. Stewart
en Limba Engleză Hardback – 23 iun 2010
Just five years ago, it was generally believed that the number of food insecure people in the world was on continuous decline. Unfortunately, widespread soil degradation along with resistance to recommended agronomic practices, and little attempt to restore degraded soils have conspired with significant droughts (in regions that could least tolerate them) to swell the ranks of the food insecure to over a billion people. The U.N. Millennium Development Goals’ intent to halve hunger by 2015 will not be realized.

Food Security and Soil Quality brings together leading experts from across the world to provide a concise and factually supported exploration of the problem at hand and the critical steps needed to reverse it. Edited by Rattan Lal, and B.A. Stewart, two of the world’s most respected soil scientists, this important work —
  • Assesses farming systems and food security in Sub-Saharan Africa, with special emphasis on land degradation
  • Examines concerns with and approaches to soil quality management in Brazil and China
  • Details achievable methods for improving soil quality for sustainable production
  • Provides an insightful comparison of temporal changes in agricultural systems productivity in Punjab, India and Ohio
  • Discusses the human dimension of the crisis including the influence of culture and spiritual beliefs
Dr. Lal himself writes that despite the existence of scientific data on sustainable management of soil and water resources, problems of soil and environmental degradation have persisted and have been aggravated. And that these problems are rooted in land misuse and soil mismanagement.

This book does provide policymakers and others with an understanding of the depth, complexity, and immediacy of this crisis, but more than a call to action, it also offers soil scientists working in this area with an understanding of what is being done and what needs to be done. Most importantly, this book helps us understand that the situation is not beyond remediation were we to act with great resolve and a sense of urgency.
A tree's leaves may be ever so good,
So may its bark, so may its wood;
But unless you put the right thing to its root,
It never will show much flower or fruit.
— from Leaves Compared With Flowers, by Robert Frost
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Specificații

ISBN-13: 9781439800577
ISBN-10: 143980057X
Pagini: 430
Ilustrații: 84 b/w images, 51 tables and 10
Dimensiuni: 156 x 234 x 25 mm
Greutate: 0.73 kg
Ediția:New.
Editura: CRC Press
Colecția CRC Press
Seria Advances in Soil Science

Public țintă

Academic and Professional Reference

Cuprins

Introduction: Food Security and Soil Quality. Managing Soils to Address Global Issues of theTwenty- First Century. Farming Systems and Food Security in Sub-Saharan Africa. Assessment of Land Degradation, Its Possible Causes and Threat to Food Security in Sub-Saharan Africa. Crop Productivity, Fertilizer Use, and Soil Quality in China. Role of Fertilizers in Food Production. Conservation Agriculture, Improving Soil Quality for Sustainable Production Systems? Soil Quality Management in Brazil. Organic Matter Knowledge and Management in Soils of the Tropics Related to Ecosystem Services. Temporal Changes in Productivity of Agricultural Systems in Punjab, India and Ohio, USA. Soil Quality and Ethics: The Human Dimension. Comprehensive Management of Nutrients in Dryland Soils of China for Sustainable Agriculture.


Notă biografică

Rattan Lal is a professor of soil physics in the School of Natural Resources and Director of the Carbon Management and Sequestration Center, Food, Agricultural, and Environmental Services/Ohio Agriculture Research and Development Center, at the Ohio State University. Before joining Ohio State in 1987, he was a soil physicist for 18 years at the International Institute of Tropical Agriculture, Ibadan, Nigeria. In Africa, Professor Lal conducted long-term experiments on land use, watershed management, soil erosion processes as influenced by rainfall characteristics, soil properties, methods of deforestation, soil-tillage and crop-residue management, cropping systems including cover crops and agroforestry, and mixed/relay cropping methods. He has served on the Panel on Sustainable Agriculture and the Environment in the Humid Tropics of the National Academy of Sciences. He has authored and coauthored about 1400 research papers. He has also written 13 and edited or coedited 45 books.
B. A. Stewart is a distinguished professor of soil science at the West Texas A&M University, Canyon, Texas. He is also the director of the Dryland Agriculture Institute, and 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 x Editors Society, a recipient of the USDA Superior Service Award, a recipient of the Hugh Hammond Bennett Award of the Soil and Water Conservation Society, and an honorary member of the International Union of Soil Sciences in 2008.

Descriere

Bringing together international experts to explore land misuse and mismanagement practices that compromise soil quality around the globe, this volume assesses farming systems in Sub-Saharan Africa, examines land degradation and soil management in Brazil and China, and provides a comparison of systems in India and Ohio. It also addresses how cultural and spiritual beliefs may contribute to problems with soil quality. The book highlights the urgency of the issue and details achievable methods for improvement.