Modification of a granular chemical fertilizer spreader for the application of organo-mineral fertilizers

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Elvis López Bravo
Omar González Cueto
Maykel Cruz Díaz
Pedro Paneque Rondón
Miguel Herrera Suárez

Abstract

The use of organo-mineral fertilizers in sugarcane cultivation is primarily limited by the high application rates required due to the low delivery capacity of chemical fertilizer spreaders. This study aims to modify the dosing system of TATU fertilizer spreaders to achieve the appropriate application rates of 2 and 4 t/ha of Nerea and Agromena fertilizers. To this end, a study of the spreader's components and general characteristics, the dosing system, and the hopper capacity was conducted. The main results included the determination of the transmission system's kinematic chain and the calculation of the gears and their position within the chain. The hopper capacity was increased to meet the machine's field capacity, and the calculation of the screw conveyor was automated. It was concluded that by swapping the drive and driven wheels of the hydraulic motor and increasing the transmission ratio, it is possible to obtain the appropriate fertilizer application rates. Similarly, the hopper capacity must be increased to 1.1 m³ to ensure adequate field capacity.

Article Details

How to Cite
López Bravo, E., González Cueto, O., Cruz Díaz, M., Paneque Rondón, P., & Herrera Suárez, M. (2026). Modification of a granular chemical fertilizer spreader for the application of organo-mineral fertilizers. Revista Ciencias Técnicas Agropecuarias, 35, https://cu-id.com/2177/v35e04. Retrieved from https://revistas.unah.edu.cu/index.php/rcta/article/view/2231
Section
Original Articles

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