Maestría en Agroecología y Ambiente

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    Evaluación de tres abonos verdes, mezclas de leguminosa más gramínea, crucífera y amaranthaceae, en los suelos agrícolas degradados del cantón Bolívar
    (2016) Aguilar Aguilar, Manuel Eraclio; Villacís Aldaz, Luis Alfredo
    This research work was to identify the potential of herbaceous plant species (Domesticated and wild), in the production of biomass, the purpose of recovering degraded soils in the in the area of influence of the irrigation system Montúfar, canton Bolivar, Carchi province. Investigative plots were located the area of San Joaquin, parish Bolivar, located at 2510 meters above sea level. The treatments were: association of forage oat (Avena sativa, L., more Vicia (Vicia hajastana, C.); Wild Radish (Raphanus sativus, L.); Pigweed (Amaranthus dubius, L.); and the absolute control with weedy plants. Planting is done volley and the witness not sowed seeds were born propagated plants on the site. Design Randomized Complete Block (DBCA) with four treatments and three replications. The evaluated variables were subjected to deva and Tukey test at 5%; high significance in determining the variable dry matter production; the highest yield obtained treatment one 5.4 t/ha, the witness with wild turnip obtained 4.03 t/ha. The greatest contribution of green matter was obtained T1, 4,5t/ha followed by T2, 1,5t/ha. The largest increase in organic matter in the soil, 30 days built the green material was obtained with T4, with 1,4 % and T3, with 1,31%. Keywords: Association, Vicia, pigweed, volley, domesticated, weeds, ADEVA, Tukey, dry matter, organic matter, biomass