Publicación: Efecto del lombricompost en las propiedades fisicoquímicas del aceite crudo y torta de Helianthus annuus L, hibrido shakira en Montería, Córdoba
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During the years 2020 to 2021, a sunflower crop Helianthis annuus L hibrid Shakira was grown, under four different treatments: T1: without fertilizer, 100% T2: chemical fertilization, T3: 100% humus, and T4: 50% chemical fertilization + 50 % humus, in Monteria, Córdoba, with the aim of verifying the effect of humus on the physicochemical properties of the oil, the cake and the fatty acid composition of the oil through gas chromatography. At the extracted oils were determined physicochemical properties such as: density, humidity, acidity, peroxide index and saponification, in the case of the proximal analysis it was determined: moisture, proteins, fiber, ethereal extract and ashes, differences were presented in the four treatments in: performance, physicochemical properties and proximal analysis. The results obtained showed that the worm humus had a positive effect on the growth and productivity indicators evaluated for the Helianthus annuus L variety Shakira crop, as well as on the agricultural yield, compared to the control without application of the bioproduct. Relatively high amounts of unsaturated fatty acids were obtained from crude oil (> 75% to 85%), where T2 (chemical fertilizer) had better results. The analysis proximal to the residual cake showed higher protein and fat contents and low moisture, ash and fiber contents.