Resumen

MONGE-PEREZ, José Eladio; LOAICIGA-ARIAS, Julio César; SALAZAR-SALAZAR, Werner  y  LORIA-COTO, Michelle. Effect of two drainage rates on cucumber (Cucumis sativus) under greenhouse conditions. Cuadernos de Investigación UNED [online]. 2023, vol.15, n.1, pp.76-87. ISSN 1659-4266.  http://dx.doi.org/10.22458/urj.v15i1.4459.

Introduction: Drainage rate is an important factor in hydroponic production. Objective: to evaluate the effect of two drainage rates on the yield and quality of cucumber (cv. Modan) under greenhouse conditions in the dry and rainy seasons. Methods: We used fertigation and coconut fiber as substrate. Results: In all quality categories, there were no statistically significant differences between irrigation rates for the number of fruits per m2, fruit weight and yield; while the percentage of total soluble solids was higher at 10% irrigation. The rainy season cucumbers had more total fruits per m2; commercial fruit weight; and total, second and third quality yield. Conclusion: For this conditions, a 10% irrigation rate will save water and nutrients, and increase crop profitability.

Palabras clave : leaching fraction; electric conductivity; salinity; sustainability; climate change..

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