International Sugar Journal

Nutrition of the South African sugar crop: Current status and long-term trends † [Full subscriber]

The sugarcane crop has a high demand for nutrients due to its rapid growth rates, high biomass production and the appreciable nutrient removals in harvested material. Information contained in leaf and soil analytical databases of SASRI’s Fertiliser Advisory Service (FAS) was used to assess fertility trends in the South African sugar industry. Leaf data suggest that nitrogen (N) deficiency is a widespread growth limitation, with ~36% of samples submitted from the various extension regions being deficient in N. Soil test data indicate that phosphorus (P) supply is adequate in the majority of soils; indeed, many of the soils are classified…

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