Fertilizer inputs, nutrient balance, and soil nutrient-supplying power in intensive, irrigated rice systems. I. Potassium uptake and K balance

Abstract

Research in many countries indicates a negative K balance in intensive, irrigated rice systems but comparative studies across different environments are few. Using a uniform sampling methodology, we measured K uptake, K use efficiency, and K balance in six different fertilizer treatments of long-term fertility experiments with rice at 11 sites in five Asian… (More)
DOI: 10.1007/BF00210219

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@article{Dobermann2004FertilizerIN, title={Fertilizer inputs, nutrient balance, and soil nutrient-supplying power in intensive, irrigated rice systems. I. Potassium uptake and K balance}, author={A. Dobermann and Pompe C. Sta. Cruz and Kenneth G. Cassman}, journal={Nutrient Cycling in Agroecosystems}, year={2004}, volume={46}, pages={1-10} }