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1978-01-01 This publication discusses the different kinds of soils and how to improve and care for it.
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1990-01-01 This IIED booklet draws conclusions on the relevance of development of small scale farmers' activities to restore soil and soil fertility in Hondurus.
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1993-01-01 The soil is much more than just a substrate that anchors crops in place. An ecologically balanced soil system is essential for maintaining nutritious, resilient crops. In Hands-On Agronomy, Neal Kinsey shows us how working with the soil to bring it into balance produces healthier crops with a...
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If you?re an agronomist, horticulturalist, plant and soil scientist, breeder, or soil microbiologist, you?ll want to read Nutrient Use in Crop Production to find everything you need to know about judicious nutrient management and maximizing nutrient utilization in the agricultural landscape. In...
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This book contains information on plant nutrition starting with the basics, to major elements, to micronutrients, plant analysis, ending with tissue testing. It also includes appendixies from definitions, to elemental requirements to Nitrogen contents.
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The objective of this publication is to summarize results of field research carried out in Brazil, Peru, Puerto Rico, Colombia, and Ghana as it relates to potassium fertilization on Ultisols and Oxisols.
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1988-01-01 This book has been written to serve as a text for a soil fertility course at the junior-senior level and at the master's level for students who have had an introductory course in soil science and several basic science courses. The author hopes that the information in this book will help to...
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Sustainability of agricultural systems is a major global concern due to population growth and a number of environmental factors. This book addresses the key to the development of sustainable agriculture-management of soil fertility. Combining data from temperate and tropical regions, it presents...
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2011-06-01 This booklet tells what you need to know about soils, what fertile soils are, how I can assess the fertility of soil, organic soil fertility management, soil and water conservation, improving soil organic matter, and soil fertility supplements. 13 pages, illustrated African Organic Agriculture...
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2001-12-01 A series of articles on soil organic matter and nitrogen availability in agroforestry systems, cycling of subsoil nutrients and rooting, phosphorus supply and availability, and organic sources of nutrients. 2 volumes Part I, Research publications in international journals Part 2, Reviews