Agronomic efficiency of reactive sedimentary natural phosphate (Fosbio®) in the initial development and productivity of coffee plants (Coffea arabica L.)
DOI:
https://doi.org/10.33448/rsd-v15i5.51121Keywords:
Coffea arabica L., Plant nutrition, Reactive phosphates, Phosphate fertilization.Abstract
Brazilian coffee production is highly dependent on imported fertilizers, which supply approximately 85% of the national demand, thereby increasing operational costs and the sector's economic vulnerability. This study aimed to evaluate the agronomic efficiency of reactive natural phosphate (Fosbio®) on the initial growth and first-harvest yield of the coffee cultivar Arara. The experiment was conducted in Machado, MG, Brazil, using a randomized complete block design with four treatments: Control (organic compost only); Standard (Compost + Thermophosphate; 100 kg of P2O5ha⁻¹); Fosbio® 100 (100 kg of P2O5 ha⁻¹); and Fosbio® 200 (200 kg of P2O5 ha⁻¹). The variables analyzed included biometric indicators and inaugural harvest yield. The results demonstrated that the use of reactive natural phosphate promoted vegetative growth and yields that were statistically superior to the control and equivalent to the conventional standard treatment. It is concluded that the use of gradual-release phosphorus sources complexed with organic matter is a technically and economically viable strategy, promoting sustainability and productive autonomy during the establishment of coffee plantations.References
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