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Organomineral Fertilizer in Planting of Potato Cultivars Ágata and Atlantic
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Organomineral Fertilizer in Planting of Potato Cultivars Ágata and Atlantic
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Organomineral Fertilizer in Planting of Potato Cultivars Ágata and Atlantic
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Journal Article
Organomineral Fertilizer in Planting of Potato Cultivars Ágata and Atlantic
2025
Overview
Given the importance of potatoes in Brazilian agribusiness and the need to establish sustainable production systems, interest has increased in the implementation of more efficient fertilization methods for the cultivation. Thus, the objective of this study was to evaluate the response of the cultivars Ágata and Atlantic to fertilization with a pelleted organomineral source in comparison to conventional fertilization performed with a mineral source. A causal block design was used with five treatments [100% of the recommendation for fertilization with mineral sources 03-35-06; and 100%, 80%, 60%, and 40% of the recommended dose with organomineral fertilizer (02-20-05)] in four replications, totaling 20 plots. The application of the organomineral in plant fertilization can be an interesting source of fertilizer for the cultivation of Ágata and Atlantic potatoes and can be applied with dose adjustments. For the cultivar Ágata, the doses of 100% and 80% organomineral fertilizer together with mineral fertilization resulted in the highest total yields. The lower doses (60% and 40%) made it possible to obtain a higher percentage of special potatoes, considered to be of the highest commercial value, than 80% of the organomineral fertilizers and 100% mineral standard. For the Atlantic cultivar, the total yield responses to organomineral were like those obtained with exclusively mineral fertilization. These findings indicate that organomineral fertilizers can be used efficiently with adjusted doses, maintaining productivity and tuber quality while potentially reducing fertilizer input costs and environmental impacts, contributing to more sustainable potato cropping systems.
