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Venezuelan disk harrows economic perspective. The secondary tillage with the use of the disk harrows is the one that is carried out generally in Venezuela, due to the inadequate friability conditions, the opportune time of the operation, purchase price relatively cheaper, easy use and maintenance, the weed control is easy and quicker, and the application of lime.
It is the certain farm tool in the agricultural fields of the whole Country. The specific objectives are the disk harrows evaluation with the purpose of appreciating some economic parameters that cooperate their use process in decision taking: a The total costs including the timeliness factor 0, day -1 , b energy costs, c evaluation of the optimum economic width by maxim and minimum and d Comparisons with lease prices.
In the methodology it was used the costs analysis and the regression analysis, to the cost items.
Key words: Disk harrows; timeliness factor, costs, energy consumption, disk harrows optimum economic width , economic breakeven point, lease. Donde :. En base a un pase de rastra.
Much more than documents.
Las rastras de discos grandes son poco existentes. Revisado 12 de enero del Hossne A. Hunt D. Farm Power and Machinery Management. Blackwell Science Inc.
ISBN: Illinois University. Machinery cost estimates: Field operation.
Machinery cost estimates: Tractors. Phillips, S.
No-tillage farming. Reiman Associates, Milwaukee. Pp Kastens , F.
Farm machinery operation cost calculations. Kansas State University. Revisado 12 febrero Losano , F.
How to convert pdf to excel for free - Free online pdf to excel tool
Revisado 12 de abril William, E. Ag Decision Maker. File A Revisado el 23 de abril del