Improving the prediction and amelioration of potassium deficiency in cotton
Objectives: A). To establish the uptake and partitioning patterns of potassium in cotton. B). To establish the most suitable predictor of deficiency amongst soil, leaf blade, leaf petiole and leaf petiole sap potassium; including the most appropriate potassium test. C). To establish appropriate methods of within season amelioration of potassium deficiency.