Tesis Ingeniería Agropecuaria

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    Evaluación de cuatro sustratos y tres niveles de fertilización en el cultivo semihidropónico de pepinillo de sal (Cucumis sativus L.).
    (2016) Zeas Pérez, Eudoro Rosendo; Jiménez Esparza, Luis
    This research aims to determine the substrates rice husk 100% bagasse 100% rice husks 50% + bagasse 50%, with three levels of fertilization in the semihidropónico culture salt cucumber (Cucumis sativus L.) This research was conducted in the province of Chimborazo in Canton Cumandá 56 km from the capital of the province, has an area of 158.7 km2, it is high up, from 300 to 2000 masl. Design substrates with 3 replications in split plot randomized block, the main plot and subplots fertilization. Analysis of variance (ANOVA), according to the proposed experimental design was made; and sources of variation that were significant significance test was performed Tukey 5%. Applying high levels of fertilization F3 produced better crop response gherkin since the best results were obtained in the variable number of fruits, fruit diameter, length of fruit, days to flowering, days to harvest, weight and fruit yield because the nutrients incorporated into the substrate induced a higher crop development. The use of common land in the area and bagasse had the best results in all variables studied as these substrates provided adequate conditions of humidity, temperature, aeration, porosity for crop development. The use of higher levels of fertilization with the S4 substrates (common ground in the area) and S2 (bagasse) increased average yields in this crop due to both nutrient availability as the physicochemical conditions provided by the substrates. Keywords: Gherkin, bagasse, common ground, darkrooms, fertilization, semihidroponía.