نتایج جستجو برای: harvesting combine
تعداد نتایج: 86503 فیلتر نتایج به سال:
Fine grain products are harvested in two manual and mechanized forms. Nowadays, common combine harvesters are used, but fine grain products such as Rapeseed, Sesame and Sorghum cannot be harvested with conventional heads of combine harvesters due to the excessive grain loss in the head of the combine. Therefore, the necessity of design and fabricating machines and heads of combine harvesters be...
Abstract The aim of this research is to present a simulation model for reducing economic damages of mechanized wheat harvesting in the weather conditions of Khuzestan province and similar areas. The simulated model is composed of three sub-models, for determining of the appropriate working hours, grain losses, and economic sub-model. In order to determine the appropriate working hours, a mathem...
Oil seed rape is an important non-cereal crop used mainly for edible oil production. Canola pods are fragile and its branches are twisted together at harvesting time. Harvesting with a conventional combine can pull off twisted branches and cause appreciable losses in the vicinity of divider at combine header. In this study, a hydraulic rotary divider was designed and developed to separate twist...
in recent decades, canola has been considered as the most important oilseed. harvesting is the most major problem of canola cultivation, since canola pods are very sensitive to shocks and vibrations. large amount of produce will fall on the ground especially when the combine's head is not adjusted properly. when canola harvested with a combine, the losses may reach up to 50%. the yields can be ...
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