Agroforestal

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Ingenieria Agroforestal

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Browsing Agroforestal by Subject "CULTIVO DE PAPA (SOLANUM TUBEROSUM L.)"

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    Evaluación de sistemas de labranza, uso de suelo y fertilización en el cultivo de papa (Solanum tuberosum L.) en la microcuenca del río Illangama, provincia Bolívar
    (Universidad Estatal de Bolívar . Facultad de Ciencias Agropecuarias . Escuela de Ingeniería Agroforestal, 2011) Moposita Tandapilco, David Ancelmo; Velóz, Fernando
    Tillage systems and conservation agriculture worldwide is still highly regarded within the management as an alternative source of protection for natural resources in Ecuador sustainable agriculture alternatives, is a sound management practice, despite these becomes difficult to incorporate technologies to farmer's practices because of this problem, the soil resource is exploited to a point beyond which activities such as overgrazing of livestock, agricultural production in marginal areas, involving not only the degradation natural capital, but also to socio- economic impacts on farming families. This research was conducted in the watershed of the river Illangama, Bolivar Province, at an altitude of 3500 meters; the type of soil was silt loam, MO with 8.05% and a slightly acidic pH of 6.3. The goals that emerged from this research were: i) Assess the medium term effect of two tillage systems, land use and fertilization on the potato crop on the physical, chemical and biological soil properties. ii) Determine the effect of tillage systems, land use and fertilization on the yield of the potato crop. iii) To conduct economic analysis of the implementation of farming systems, land use and fertilizer in potato cultivation. We used an experimental design of randomized complete block (RCBD) with 3 replications and 4 treatments. T1: Pasture with removal, conventional tillage, potato fertilization, T2: Pasture with removal, reduced tillage, potato fertilization, T3: Pasture without removal, reduced tillage, potato fertilization, T4: Pasture without removal, reduced tillage, potato except nitrogen fertilization (N). Were carried out chemical analysis of soil before planting, analysis of variance, Tukey test at 5%; partial budget economic analysis and calculation of the marginal rate of return. The main results obtained in this study were significantly influenced treatments, mainly in the analysis of variance for variables: root depth in cm, total yield in t / ha and dry matter of biomass in t / ha. The highest average yield of potato was assessed at T1: pasture with removal, conventional tillage, potato fertilization, but with a higher marginal rate of return on T3: Pasture without removal, reduced tillage, potato fertilization, because it reduces 76% of costs in preparing the ground. Economically treatment with the highest average value of the TMR was the T3: 804% and net income of $. 1832/ha, taking into account only the costs that vary with each treatment. Finally, 71 this study has contributed in reducing the processes of soil erosion in hillside agriculture through conservation tillage and crop nutrient efficiency