Judicious soil fertility management is crucial for sustainable crop production and food security in sub-Saharan Africa (SSA). This book describes the various concepts and approaches underlying soil and soil fertility management research in SSA over the last fifty years. It provides examples of important innovations generated and assesses the position of research within the research-to-development continuum, including how innovations have been validated with the intended beneficiaries....

The history behind our growing water crisis: "A gem . . . An erudite romp through two millennia of water and sanitation practice and technology." — NatureTurn on the faucet, and water pours out. Pull out the drain plug, and the dirty water disappears. Most of us give little thought to the hidden systems that bring us water and take it away when we're done with it. But these underappreciated marvels of engineering face an array of challenges that cannot be s...

Hunger is a daily reality for a billion people. More than six decades after the technological discoveries that led to the Green Revolution aimed at ending world hunger, regular food shortages, malnutrition, and poverty still plague vast swaths of the world. And with increasing food prices, climate change, resource inequality, and an ever-increasing global population, the future holds further challenges.In One Billion Hungry, Sir Gordon Conway, one of the world's fo...

The parlous state of our freshwater ecosystems is just one signal that we face a more widespread, and unprecedented, environmental crisis.New Zealand’s dairy industry is big business. But what are the hidden and not so hidden costs of intensive farming? Evidence presented here by ecologist Mike Joy demonstrates that intensive dairy farming has degraded our freshwater rivers, streams and lakes to an alarming degree. This situation, he argues, has arisen primarily through governmental policy...

This book is directly aligned to the NEBOSH Certificate in Environmental Management, which is a qualification aimed primarily at those in business who influence the environmental performance of their organisation by the decisions that they make as managers or the actions that they take as operators. This book aims to provide an introduction to the main areas of concern and how the challenges can be addressed.This new edition takes account of recent changes in international guidance...

This document presents a summary of the first Status of the World's Soil Resources report, the goal of which is to make clear the essential connections between human well-being and the soil. The report provides a benchmark against which our collective progress to conserve this essential resource can be measured. The report synthesizes the work of some 200 soil scientists from 60 countries. It provides a global perspective on the current state of the soil, its role in providing ecosystem se...

Integrated Pest Management (IPM) is an effective and environmentally sensitive approach to pest management. It uses natural predators, pest-resistant plants, and other methods to preserve a healthy environment in an effort to decrease reliance on harmful pesticides. Featuring forty chapters written by leading experts, this textbook covers a broad and comprehensive range of topics in integrated pest management, focused primarily on theory and concepts. It is complemented by two award winnin...

Choosing appropriate practices and policies for biofuel production requires an understanding of how soils, climate, farm types, infrastructure, markets and social organisation affect the establishment and performance of these crops. The book highlights land use dynamics, cultivation practices related to conversion and wider impacts. It explores how biofuel production chain development is steered by emerging technologies and management practices and how both can be influenced by effective p...

It is only recently that the immense economic value of pollination to agriculture has been appreciated. At the same time, the alarming collapse in populations of bees and other pollinators has highlighted the urgency of addressing this issue. This book focuses on the specific measures and practices that the emerging science of pollination ecology is identifying to conserve and promote animal pollinators in agroecosystems.It reviews the expanding knowledge base on pollination servic...

Its wise and sensitive approach to working with local people will be relevant in situations throughout the world.'ECOS'The numerous diagrams, tables of data, information flow charts, fieldwork sketches etc. give a great vibrancy to the work... It deserves a wide readership.'TEG NewsWild or non-cultivated plants are crucial to the lives of a large portion of the world's population, providing low-cost building materials, fuel, food supplements, medicines, tools ...

This book provides a timely analysis and assessment of the potential of organic agriculture (OA) for rural development and the improvement of livelihoods. It focuses on smallholders in developing countries and in countries of economic transition, but there is also coverage of and comparisons with developed countries. It covers market-oriented approaches and challenges for OA as part of high value chains and as an agro-ecologically based development for improving food security. It demonstra...