Use of Nerea® as a substrate component in the production of coffee seedlings
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Abstract
The production of high-quality coffee seedlings is crucial to improve productivity in coffee plantations. This study evaluated the use of Nerea®, a zeolite-based controlled-release fertilizer, as a substrate component in the production of Coffea arabica L. seedlings, with the aim of optimizing plant growth and reducing the environmental impacts associated with the use of conventional fertilizers. The experiment was conducted in nurseries in Sagua de Tánamo and La Maya, Cuba, using a completely randomized design with four proportions of Nerea® (5%, 10%, 15%, and 20%) and a control. Growth indicators such as height, stem diameter, dry mass, leaf area, and quality index were measured. The results showed that 10% of Nerea® was the most effective proportion, significantly improving height, dry weight, and leaf area in both locations, although the effect was more pronounced in Sagua de Tánamo. No significant differences were observed in stem diameter. The dry aerial/root biomass ratio remained within adequate ranges, indicating a healthy balance in plant development. It is concluded that 10% of Nerea® is the optimal proportion to improve the growth of coffee seedlings, with variable results depending on the location.
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