1. Introduction and general principles;Baker,1988
2. Nitrogen;Barber,1995
3. Nutrient absorption by plant roots;Barber,1995
4. Modeling nutrient uptake by plant roots growing in soil;Barber,1995
5. Root growth, macronutrient uptake dynamic and soil fertility requirements of a high-yielding winter oilseed rape crop;Barraclough;Plant and Soil,1989