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“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...
The extraordinary account of the Cuban people’s struggle for survival in a post-Soviet world In the aftermath of the fall of the Soviet Union, Cuba faced the start of a crisis that decimated its economy. Helen Yaffe examines the astonishing developments that took place during and beyond this period. Drawing on archival research and interviews with Cuban leaders, thinkers, and activists, this book tells for the first time the remarkable story of how Cuba survived while the rest of the Soviet bloc crumbled. Yaffe shows how Cuba has been gradually introducing select market reforms. While the government claims that these are necessary to sustain its socialist system, many others believe they herald a return to capitalism. Examining key domestic initiatives including the creation of one of the world’s leading biotechnological industries, its energy revolution, and medical internationalism alongside recent economic reforms, Yaffe shows why the revolution will continue post-Castro. This is a fresh, compelling account of Cuba’s socialist revolution and the challenges it faces today.
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Global climate change is a natural process that currently appears to be strongly influenced by human activities, which increase atmospheric concentrations of greenhouse gases (GHG). Agriculture contributes about 20% of the world's global radiation forcing from carbon dioxide, methane and nitrous oxide, and produces 50% of the methane and 70% of the nitrous oxide of the human-induced emission. Managing Agricultural Greenhouse Gases synthesizes the wealth of information generated from the GRACEnet (Greenhouse gas Reduction through Agricultural Carbon Enhancement network) effort with contributors from a variety of backgrounds, and reports findings with important international applications. - Fr...
Discusses key methods for monitoring soil health Comprehensive review of techniques to manage soil health, such as the use of rotations, intercropping and cover crops Case studies of ways of supporting smallholders in maintaining soil health in regions such as Africa, Asia and South America.
An evolving, living organic/inorganic covering, soil is in dynamic equilibrium with the atmosphere above, the biosphere within, and the geology below. It acts as an anchor for roots, a purveyor of water and nutrients, a residence for a vast community of microorganisms and animals, a sanitizer of the environment, and a source of raw materials for co
The official monthly record of United States foreign policy.