Tesis Agronomía

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Subject: search.filters.subject.EXTRACTOS DE ALGAS

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    Evaluación de diferentes extractos de algas en pimiento (Capsicum annuum L.) en etapa vegetativa
    (2024-02) Guevara Guato, Christian Welington; Guerrero Cando, David Aníbal
    The present work is based on the application of 3 extracts of fresh water algae such as Azollae, Spirogira and Diatomea, with the application of these 3 extracts it is sought to improve the production of Capsicum annumm L bell pepper, the algae extracts contain a great amount of nitrogen and amino acids, The variables that participated in this research were number of flowers, plant height, number of leaves, stem diameter and root volume. A good yield of leaf mass helps to improve crop yield, the Azollae extract achieved a greater stem diameter according to the study conducted and data collection, the Azollae extract achieved a higher efficiency with a difference of almost 1% more than the other extracts, in relation to the number of flowers the Azollae extract was the one that presented the best performance, the Azollae extract was the most efficient as it obtained better results in 3 of the 5 variables. In relation to plant height, diatomea was the most efficient, and in relation to root volume, the best extract was that of spirogyra, which showed a higher yield than azollae and diatomea extracts. Key words: seaweed extract, azollae, diatomea, spirogyra, Capsicum annumm
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    Evaluación del rendimiento de lechuga (Lactuca sativa L. var. Coolguard) con la aplicación de dos extractos de algas en el cantón Cevallos
    (2023-09) Cueva Gómez, Kerly Nicol; Dobronski Arcos, Jorge Enrique
    The present study was carried out in the properties of the experimental farm Docente Querochaca of the Cevallos canton, Tungurahua province, with the purpose of evaluating the yield of lettuce (Lactuca sativa L. var. Coolguard), using artisanal extract of freshwater algae from Spirogyra species, applied with three doses compared to a commercial algae extract Nodosum®. An experimental design with randomized blocks was carried out with seven treatments in three repetitions. The data obtained were analyzed using ADEVA and the Tukey test at 5%, observing the following results: For the variables cabbage diameter, plant height, cabbage mass, root length, cabbage color and crop yield, showing the following results, the most outstanding being T1 for the yield variable with an average of 24.80 t/ha and for plant height the best treatment was (T2) with an average height of 19.78 cm, composed of the product 1 (artisanal seaweed) with the dose (2.5 ml), as well as the treatment that stood out was T1 composed of product 1 (artisanal seaweed) with dose 1 (1.5 ml) in the cabbage diameter variable with an average of 139.58 mm in diameter, that is to say that these two treatments had better agronomic characteristics, for which we can say that these variables were better adapted to the area where the research work was carried out, while the composite T3 treatments by (P1D3); T4 (P2D1); T5 (P2D2); T6 (P2D1) and Control presented lower values than T1 (P1D1) and T2 (P1D2)