Citas bibligráficas
Díaz, J., (2023). Evaluación de sustratos en diferentes proporciones utilizando eucalipto (Eucalyptus globulus) como indicador, en la provincia de Contumazá - Cajamarca [Tesis, Universidad Privada Antenor Orrego]. https://hdl.handle.net/20.500.12759/14231
Díaz, J., Evaluación de sustratos en diferentes proporciones utilizando eucalipto (Eucalyptus globulus) como indicador, en la provincia de Contumazá - Cajamarca [Tesis]. PE: Universidad Privada Antenor Orrego; 2023. https://hdl.handle.net/20.500.12759/14231
@misc{renati/379495,
title = "Evaluación de sustratos en diferentes proporciones utilizando eucalipto (Eucalyptus globulus) como indicador, en la provincia de Contumazá - Cajamarca",
author = "Díaz castillo, Jerson Paul",
publisher = "Universidad Privada Antenor Orrego",
year = "2023"
}
This research was carried out in the Silacot hamlet, district and province of Contumazá, department of Cajamarca, the objectives were to evaluate the influence of the different combinations of substrates and to evaluate the behavior of the plants when using sand from a hill or river as a component. of the substrate, having as an indicator eucalyptus plants of the globulus variety in the nursery phase. The design used was the complete randomized block with 240 plants distributed in 15 treatments with four repetitions and 4 plants per experimental unit. Of the 15 treatments, 6 had different combinations of sand, black earth and agricultural earth (3 with sand from the hill and 3 with sand from the river) 5 treatments with a limiting factor (sand from the hill or river, black earth or agricultural earth) and 4 100% single component treatments. The number of leaves, the height and the diameter of the stem base (DBT) were evaluated biweekly for four months. At the end of the field phase, the plants were harvested and the fresh mass of the aerial and root parts was evaluated. After organizing the data obtained, the variables were interacted to evaluate quality indicators such as Dikson's index, slenderness index, relationship of the aerial part with the root part, water balance of the plant and percentage of lignification. An analysis of variance was performed and where the differences were significant, a grouping test was performed using Fisher's LSD method with a confidence of 95%. The results obtained show that no treatment has the best results for all variables, however treatment L (50% agricultural land + 50% black earth) obtained first place in the variables: Number of leaves (23,750 leaves), fresh weight aerial (6.756 g), total dry weight (6.604 g) and aerial dry weight (2.863g). Treatment G (15% hill sand + 50% agricultural land + 35% black earth) showed the best results for the variables: DBT (3.373 mm), root dry weight (0.7788 g) and Dickson index (0.33808). For the height variable, treatment B (20% river sand + 40% agricultural land + 40% black earth) mathematically obtained the best result (23,575 cm). It was compared in pairs if there were significant statistical differences when using river or hill sand where it could be determined that there is no significant difference in any of the pairs evaluated in the variables: DBT, height and aerial dry weight. In the variables total fresh weight and aerial fresh weight of the 6 pairs evaluated, two show significant statistical differences favorable to the use of river sand while, for the number of leaves, total dry weight, root weight and Dickson index, at least one of the 6 pairs evaluated showed statistical differences favorable to the use of hill sand. According to the economic analysis, sand from the hill is 33.3% cheaper than sand from the river.
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