Acumulación de nutrientes en el fruto de Citrullus lanatus L. cv. ‘Tigrinho’ utilizando fertilizantes orgánicos en condiciones de La Molina
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Authors
Quicaño Aguirre, Joselyn Aracelli
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Abstract
El presente estudio tuvo como objetivo evaluar el efecto de tres fertilizantes orgánicos (estiércol de vacuno, guano de las islas y compost) sobre la acumulación de nutrientes en el fruto de Citrullus lanatus L. cv. 'Tigrinho', bajo condiciones edafoclimáticas de La Molina. Se estableció un diseño de bloques completos al azar con cuatro tratamientos (T1: control, T2: estiércol de vacuno, T3: guano de las islas y T4: compost) y cuatro repeticiones por tratamiento. Se evaluaron variables relacionadas al crecimiento vegetativo (longitud de guía principal, contenido relativo de clorofila), rendimiento (peso y número de frutos por planta, rendimiento por hectárea), calidad del fruto (grosor de cáscara, diámetro del fruto, contenido de sólidos solubles, relación pulpa/cáscara), así como la materia seca del follaje y fruto, el contenido de nitrógeno, fósforo y potasio en la cáscara y pulpa, y su correspondiente extracción por hectárea. Los resultados mostraron que, si bien se observaron tendencias numéricas favorables en algunos tratamientos, especialmente con guano de las islas y compost, no se encontraron diferencias estadísticamente significativas en ninguna de las variables evaluadas. En conclusión, la aplicación de fertilizantes orgánicos no generó un efecto significativamente superior sobre el rendimiento, calidad ni acumulación de nutrientes en el fruto de sandía cv. ‘Tigrinho’ en las condiciones de la presente investigación. No obstante, se observaron indicios de efectos potenciales del guano de las islas y compost que merecen ser explorados en estudios posteriores, particularmente en suelos de menor fertilidad o mediante estrategias de manejo orgánico de largo plazo.
The objective of this study was to evaluate the effect of three organic fertilizers (cattle manure, seabird guano, and compost) on nutrient accumulation in the fruit of Citrullus lanatus L. cv. 'Tigrinho' under the edaphoclimatic conditions of La Molina. A randomized complete block design was established with four treatments (T1: control, T2: cattle manure, T3: seabird guano, and T4: compost) and four replications per treatment. Variables related to vegetative growth (main vine length, relative chlorophyll content), yield (fruit weight and number per plant, yield per hectare), fruit quality (rind thickness, fruit diameter, soluble solids content, pulp-to-rind ratio), as well as dry matter of foliage and fruit, nitrogen, phosphorus, and potassium content in both rind and pulp, and their corresponding nutrient extraction per hectare were evaluated. The results showed that although favorable numerical trends were observed in some treatments, particularly with seabird guano and compost, no statistically significant differences were found in any of the evaluated variables. In conclusion, the application of organic fertilizers did not result in a significantly superior effect on yield, quality, or nutrient accumulation in watermelon cv. 'Tigrinho' fruits under the conditions of this study. However, indications of potential positive effects from seabird guano and compost were observed, which warrant further investigation, particularly in less fertile soils or through long-term organic management strategies.
The objective of this study was to evaluate the effect of three organic fertilizers (cattle manure, seabird guano, and compost) on nutrient accumulation in the fruit of Citrullus lanatus L. cv. 'Tigrinho' under the edaphoclimatic conditions of La Molina. A randomized complete block design was established with four treatments (T1: control, T2: cattle manure, T3: seabird guano, and T4: compost) and four replications per treatment. Variables related to vegetative growth (main vine length, relative chlorophyll content), yield (fruit weight and number per plant, yield per hectare), fruit quality (rind thickness, fruit diameter, soluble solids content, pulp-to-rind ratio), as well as dry matter of foliage and fruit, nitrogen, phosphorus, and potassium content in both rind and pulp, and their corresponding nutrient extraction per hectare were evaluated. The results showed that although favorable numerical trends were observed in some treatments, particularly with seabird guano and compost, no statistically significant differences were found in any of the evaluated variables. In conclusion, the application of organic fertilizers did not result in a significantly superior effect on yield, quality, or nutrient accumulation in watermelon cv. 'Tigrinho' fruits under the conditions of this study. However, indications of potential positive effects from seabird guano and compost were observed, which warrant further investigation, particularly in less fertile soils or through long-term organic management strategies.
Description
Universidad Nacional Agraria La Molina. Facultad de Agronomía. Departamento
Académico de Suelos
Keywords
Nutrición vegetal
Citation
Date
2025
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