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Soil Phosphorus by
Phosphorus is an essential plant nutrient, but global population growth has dramatically reduced the availability of phosphorus fertilizer resources. Despite this scarcity, there remain numerous problems associated with the excessive and inappropriate use of phosphorus leading to non-point source pollution and eutrophication of natural waters. Identifying appropriate systems for managing soil phosphorus and reducing the risks of eutrophication are needed to minimize the environmental risks. This book focuses on the availability and recycling of phosphorus; regulatory and policy issues of sustainable phosphorus use; and water quality management in agroecosystems pertaining to phosphorus. Sections are dedicated to global phosphorus reserves; cycling and pathways of phosphorus; phosphorus in agriculture; human dimensions and policy intervention; and research and development priorities. Phosphorus is a finite but crucial resource and is an essential element to all life. Sub-optimal availability and nutrient imbalance in the root zone can adversely impact plant growth, and the quality of food and feed grown on these soils. However, the proven reserves of phosphorus can hardly be adequate for a few centuries only. Yet, its misuse and mismanagement has caused severe problems of eutrophication of water and pollution of the environment. Thus, judicious management of soil phosphorus is essential. This volume is specifically devoted to availability and recycling of phosphorus, regulatory/policy issues of sustainable use of phosphorus, and management in agroecosystems in the context of maximizing the use efficiency and minimizing the environmental risks of water quality.
Publication Date: 2016-09-19
An Archaeology and History of a Caribbean Sugar Plantation on Antigua by
This volume uses archaeological and documentary evidence to reconstruct daily life at Betty's Hope plantation on the island of Antigua, one of the largest sugar plantations in the Caribbean. It demonstrates the rich information that the multidisciplinary approach of contemporary historical archaeology can offer when assessing the long-term impacts of sugarcane agriculture on the region and its people.Drawing on ten years of research at the 300-year-old site, the researchers uncover the plantation's inner workings and its connections to broader historical developments in the Atlantic World. Excavations at the Great House reveal similarities to other British colonial sites, and historical records reveal the owners' involvement in the Atlantic slave trade and in the trade of rum and other commodities. Artifacts uncovered from the slave quarters--ceramic tokens, repurposed bottle glass, and hundreds of Afro-Antiguan pottery sherds--speak to the agency of enslaved peoples in the face of harsh living conditions. Contributors also use ethnographic field data collected from interviews with contemporary farmers, as well as soil analysis to demonstrate how three centuries of sugarcane monocropping created a complicated legacy of soil depletion. Today tourism has long surpassed sugar as Antigua's primary economic driver. Looking at visitor exhibits and new technologies for exploring and interpreting the site, the volume discusses best practices in cultural heritage management at Betty's Hope and other locations that are home to contested historical narratives of a colonial past.A volume in the Florida Museum of Natural History: Ripley P. Bullen Series
Publication Date: 2020-02-17
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