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Sustainable Phosphorus Management
This book describes a pathway for sustainable phosphorus management via the Global Transdisciplinary Processes for Sustainable Phosphorus Management project (Global TraPs). Global TraPs is a multi-stakeholder forum in which scientists from a variety of disciplines join with key actors in practice to jointly identify critical questions and to articulate what new knowledge, technologies and policy processes are needed to ensure that future phosphorus use is sustainable, improves food security and environmental quality and provides benefits for the poor. The book offers insight into economic scarcity and identifies options to improve efficiency and reduce environmental impacts of anthropogenic phosphorus flows at all stages of the supply and use chain.
Soil Quality and Agricultural Sustainability
Soil degradation causes a shrinking of arable land resources, and the persistence of starvation and malnutrition. The depletion is compounded by the increasing populations of developing tropical nations, and the conversion of agricultural land to other uses. As a result, per capita grain harvesting and irrigated land is in steady decline all over the world. The decrease in horticultural resources and productivity has inspired Soil Quality and Agricultural Sustainability, which is based primarily on papers presented at the 1996 conference on soil degradation, sponsored by Ohio State University, the USAID and the International Agricultural Research Centers. The book addresses itself to six con...
Annual Report
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Replenishing Soil Fertility in Africa
This SSSA Special Publication presents in the first chapter the new conceptual approach of replenishing soil fertility as an investment in natural resource capital. It is followed by an analysis of the magnitude of soil fertility depletion, a review of field research trials, and a perspective from temperate-region soils. These in turn are followed by three process-oriented chapters on phosphorus, nitrogen, and combining organic and inorganic nutrient inputs. The last two focus on key socioeconomic considerations, gender and environmental economics.
