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The most prominent of these factors were as follows: (b) the market for chemical fertilisers was shrinking in size because of changes in the CAP of the EC aimed at reducing surpluses; environmental concerns (eg nitrates in the water supply, particularly.
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Calcium cyanamide itself was made from calcium carbide, which in turn was produced from coal and the abundant hydroelectric power of the Alz river... Ralph Riggs Company Contact Information 1530 Drew Ave rriggs@agraquest.
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The guide specifically aims to: l promote a better understanding of the role of plant nutrients in securing the sustainability of agriculture and in building up and maintaining soil productivity; l ensure that all sources of plant nutrients, especially.
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Nitrate Uptake by Terrestrial and Aquatic Plants Richard A.Larson, Marina Abstract environmental scientists and regulatory agencies concerned about the ecological and public health effects of elevated nitrate levels in surface water, groundwater, and.
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I have assumed that most posters will have access to institutional or public libraries, and most of the references should be available from them, either on the shelves, via private loans from staff in chemistry departments, or via library Interloan.
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