Phosphorus (P) is a limiting nutrient for coffee seedlings. To meet this requirement, coffee growers usually apply di-ammonium phosphate (DAP), which is highly sensitive to local price fluctuations.
For natural farming systems, where soil analysis revealed high levels of available phosphorus and no deficiencies in micronutrients, the use of chemical fertilisers is being discouraged.
More information In general, the concentration of phosphorus reaching a watercourse is determined by the form and chemical nature of the phosphorus compounds and the degree of contact with the soil, ...
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