34 research outputs found
Effect of Legumes on Soil Mineral Nitrogen and Response of Potatoes to Nitrogen Fertilizer
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Development of nitrogen fertilizer recommendations for arable crops in the Netherlands in relation to nitrate leaching
No full textNutrient Management Legislation in European Countries. Wageningen Pers, The Netherlands, 2001, 347 p.
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Discussion and conclusions. Nutrient management legislation in European countries. Wageningen Pers, The Netherlands, 2001, 307-324.
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Fertilizer determination for yield and quality improvement of vegetable crops by mathematical optimization techniques
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The deficiency of the ?economic optimum? application for evaluating models which predict crop yield response to nitrogen fertiliser
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