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ECONOMIC ANALYSIS OF DIFFERENT HYDRAULIC SPRAYERS USED IN SUGARCANE (Saccharum spp.) REA
Santos,Neisvaldo B. dos.
ABSTRACT Brazil is the largest sugarcane producer worldwide. In mills, sugarcane crops are sprayed with agrochemicals using self-propelled, tractor-driven, and aerial hydraulic sprayers. As sugarcane spraying is regularly performed over extensive areas, the machinery to be used should be planned and dimensioned to ensure timely operations without overloading and at lower costs. Therefore, the current study aimed to analyze the operational and economic performances of different hydraulic sprayers to perform sugarcane crop control. As long as meeting our goal in field conditions would be difficult, we opted to develop a computational model, named as “TratoCana”, using a spreadsheet and programming language. The model was used to assess economic and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agricultural mechanization; Computer model; Cost; Mill revenue; Planning and management; Sugarcane mill.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162019000200225
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Investigation of the Effect of Rake Angle on the Draft Requirement of Ripping in a Sandy Clay Soil through Field Experiments and Computer Modelling CIGR Journal
Ndisya, John.
In this study, the effect of rake angle of a ripper plough on the draft requirement in a sandy-clay soil was investigated; the study was based on field experiments, laboratory tests and numerical simulation. Field experiments were conducted at the University of Nairobi field station in Upper Kabete, Kenya located at 1o15’S and 36o44’E at an altitude of about 1940 meters above sea level. The soil at the location is a humic Nitisol belonging to the class of sandy-clay. Field experiments featured the Factorial Completely Randomized Block design to eliminate experimental error. The plot was sub-divided into four blocks to eliminate variation due to distance and slope; the treatments were randomly assigned to the blocks and replicated four times.The numerical...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Farm machinery Engineering Rake angle; Draft requirement; Discrete element method; Computer model; Kenya.
Ano: 2016 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3865
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