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This title includes chapters on: evaluation of soil structure; soil in general; physical properties of soil; chemical properties of soil; soil pH; and, benefits of manure.
The erosion problem in the states; Extent of erosion; Effects of erosion; How erosion takes place; Rates of and runoff; Climate and soil erosion; Rainfall penetration; A national program of soil conservation; Planning for conservation of soil and water; Use of vegetation in soil and water conservation; Contouring; Terracing; Channels and outlets; Gully control; Control of erosion on stream banks; Water spreading; Wildlife and soil conservation; Farm ponds for water storage; Stubble-mulch farming; Farm drainage; Farm irrigation; The place of trees and in soil and water conservation.
“Principles of Soil Management and Conservation” comprehensively reviews the state-of-knowledge on soil erosion and management. It discusses in detail soil conservation topics in relation to soil productivity, environment quality, and agronomic production. It addresses the implications of soil erosion with emphasis on global hotspots and synthesizes available from developed and developing countries. It also critically reviews information on no-till management, organic farming, crop residue management for industrial uses, conservation buffers (e.g., grass buffers, agroforestry systems), and the problem of hypoxia in the Gulf of Mexico and in other regions. This book uniquely addresses the global issues including carbon sequestration, net emissions of CO2, and erosion as a sink or source of C under different scenarios of soil management. It also deliberates the implications of the projected global warming on soil erosion and vice versa. The concern about global food security in relation to soil erosion and strategies for confronting the remaining problems in soil management and conservation are specifically addressed. This volume is suitable for both undergraduate and graduate students interested in understanding the principles of soil conservation and management. The book is also useful for practitioners, extension agents, soil conservationists, and policymakers as an important reference material.
Soil Essentials is a practical reference for farmers and land managers covering soil issues commonly encountered at the farm level. Written in a straightforward style, it explains the principles of soil management and the interpretation of soil tests, and how to use this information to address long-term soil and enterprise viability. This book demonstrates how minerals, trace elements, organic matter, soil organisms and fertilisers affect soil, plant and animal health. It shows how to recognise soil decline, and how to repair soils affected by nutrient imbalances, depleted soil microbiology, soil erosion, compaction, structural decline, soil sodicity and salinity. The major problem-soils – sodic soils, light sandy soils, heavy clay soils and acid sulphate soils – are all examined. With this information, farmers and land managers will be able to consider the costs and financial benefits of good soil management.