CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 18
Responses of flue-cured tobacco to the fertilization of phosphorus on sandy soils in South Africa
ARC, Agricultural Research Council - Institute for Industrial Crops, Rustenburg, South Africa
High soil-test values for available phosphorus often seem to be ignored by growers and large amounts of phosphates are generally applied. This causes much concern for it unnecessarily increases costs and also potentially raises the possibility of...