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	Provedor de dados CIGR Journal (2) Autor Hemmat, Abbas (2) Kargarpour, Hoda (2) Salar, Mahmood Reza (2) Esehaghbeygi, Ali (1) Razavi, Jalil (1) Palavra-chave Bent blade (1) Dual bent blade (1) Mass flow sensor (1) Precision farming (1) Rake angle (1) Soil disturbance area (1) Spatial variability (1) Subsurface tillage (1) Wheat (1) Yield map (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2017 (1) 2016 (1) País China (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Design and evaluation of a yield monitoring system for combinable crops CIGR Journal Kargarpour, Hoda; Razavi, Jalil; Hemmat, Abbas; Salar, Mahmood Reza. The existence of spatial variability within fields can be beneficial if inputs for arable crop are given to the field according to locally determined requirements. While yield mapping has become an important part of precision farming strategies, the goal of this paper is to plot a yield map by the application of yield monitoring components. A yield monitoring system capable of providing sufficient reliable data to plot a yield map for small grain fields in central regions of Iran was developed. The system consisted of an impact flow sensor determining the mass flow of grain, the GPS receiver determining geographical position of the machine, two shaft encoders measuring the speed of the combine, an ultrasonic sensor measuring the actual cutting width, and a... Tipo: Info:eu-repo/semantics/article Palavras-chave: Wheat; Spatial variability; Yield map; Mass flow sensor; Precision farming. Ano: 2016 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3608 Draft force requirements of a dual bent blade subsurface tillage implement CIGR Journal Salar, Mahmood Reza; Esehaghbeygi, Ali; Hemmat, Abbas; Kargarpour, Hoda. Decreasing draft force of tillage tools is always one of the important concepts in tillage operation.  According to structure properties of bent leg, in this research, two upward and backward dual bent blade subsurface tools with two rake angles of 7.5 and 15 degree and two bend angles of 10 and 20 degree were developed and draft force, soil disturbance area and specific draft were compared in two soil moisture content levels of 0.7 and 0.9 of plastic limit (PL).  The effect of soil moisture content was not significant on any of the measured variables.  The draft force of the subsurface tools was increased with increasing rake and bend angles of blade.  The least mean of draft force was achieved in forward dual bent blade subsurface tool with bend angle of... Tipo: Info:eu-repo/semantics/article Palavras-chave: Rake angle; Bent blade; Subsurface tillage; Soil disturbance area; Dual bent blade. Ano: 2017 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3599 Registros recuperados: 2 Primeira ... 1 ... Última

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