Introduction. Nutrient elements in soils. Uptake and concentrations of nutrient. elements in grassland herbage. Nutrient elements in ruminant animals. Nitrogen. Phosphorus. Sulphur. Macronutrient cations: Potassium, Sodium, Calcium and Magnesium. Micronutrient cations: Iron, Man…
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Drug effects on nutrient intake, function, and requirement; Nutritional effects on drug metabolism and action; Use of drugs in animal feeds; Use of nutrients and foods as drugs.
Nutrient supplies and crop yields: response curves. Liebig's "law of the minimum". Mitscherlich's "law of physiological relationships or "effect law of the growth factor". Factors affecting the shape of response curves. Limitations of response functions. Other response functions…
Plant nutrition. The soil as a plant nutrient medium. Nutrient uptake and assimilation. Plant water relationships. Nutrition and plant growth. Fertilizer application. Fertilizers: nitrogen, sulphur, phosphorus, potassium, calcium, magnesium, iron, manganese, zinc, copper, molybd…