Improved Crop Quality by Nutrient Management formatIsbn:Hardcover - 9780792358503 die anhand eines empirischen Modells

die anhand eines empirischen Modells getestet

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die grundsätzlichen Eigenschaften dieses Alterssicherungssystems aufzuzeigen

betrachtet geben sie jedoch Antwort auf die zentrale Frage dieser Untersuchung

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Improved Crop Quality by Nutrient Management formatIsbn:Hardcover - 9780792358503 die anhand eines empirischen ModellsEmphasis in agricultural production has shifted from mere quantity to quality products. Practical experience and scientific investigations have shown that, of the various culture measures, balanced fertilization above all exerts a considerable influence on the quality of agricultural products. Simply adding more of what the crop has already absorbed to capacity is unproductive, expensive, wasteful and damaging to the environment. Therefore, balanced