Titlebook: Handbook on Environmental Aspects of Fertilizer Use; N Centre D’étude de L’Azote (CEA),P International Book 1983 Martinus Nijhoff / Dr W.

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N Centre D’étude de L’Azote (CEA),P International Fertilizer Industry Association (IFA),K Internatio frühzeitig an eine HIV-Infektion denken. Das vorliegende Werk erl?utert aber vor allem aber auch die neuesten Therapieverfahren. Durch regelm??ige Folgelieferungen (etwa 3 pro Jahr) bleiben Sie immer auf dem aktuellsten Stand Forschung und k?nnen Ihre Patienten optimal betreuen.978-3-642-49114-6978-3-642-85512-2

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Social and environmental benefits of fertilizers,ying fertilizer. An example from Denmark (Table B 1.1) shows the increases in production resulting from the use of optimum rates of N fertilizer, with costs and gross returns. No allowance is made for the extra value of the increased protein content of the crops.

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Water Quality,t from the soil/crop system by one or more of a number of mechanisms. The relative amounts following these different pathways, and in particular the amount reaching surface or underground water, vary between nutrients and also with soil, climatic and agricultural circumstances.

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N Centre D’étude de L’Azote (CEA),P International

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Handbook on Environmental Aspects of Fertilizer Use978-94-009-6816-5

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