May 12, 2011
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Soil & Groundwater Newsletter May 12, 2011 |
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| This Week´s Featured News Stories |
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Rediscovering sound soil management
At the same time that demand for food is soaring along with the world’s population, the soil’s ability to sustain and enhance agricultural productivity is becoming increasingly diminished and unreliable. Fortunately, it’s not too late to restore our soil resources. What it will take, say the editors and contributors to a new book, Soil Management: Building a Stable Base for Agriculture, is rediscovering the value of soil management and following practices that are firmly grounded in science. The book is published by the American Society of Agronomy (ASA) and Soil Science ... |
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New strategy aims to reduce agricultural ammonia
As concerns about air pollution from large dairies and other concentrated animal feeding operations (CAFOs) continue to mount, scientists are reporting a practice that could cut emissions of an exceptionally abundant agricultural gas—ammonia—by up to 30%. In the May-June 2011 issue of the Journal of Environmental Quality, a team led by Mark Powell, a soil scientist with the USDA Agricultural Research Service’s U.S. Dairy Forage Research Center in Madison, WI, describes how natural plant compounds, known as tannins, can reduce both the amount of nitrogen cows excrete in ... |
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