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The objective of the research was to compare the energy cost of the main mechanized agricultural operations, emphasizing the tillage/seeding and quantify their possible saving using the Conservation System (no till with cover), in relation to the Conventional System, starting from the hypothesis that it is possible to reduce the energy cost by more...
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... it can be affirmed that the selection of the two plots under study guarantees homogeneity with respect to the variable studied. As shown in Table 2 the data taken distribute normally according to the calculated statistics. From the analysis it can be concluded that: Mean bulk density in both treatments is homogeneous. ...Similar publications
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Citations
The aim of this study is to determine the main factors influencing the market price of agricultural tractors in Chile. A linear log model is used with data collected from ChileAutos, which is a website for vehicle sales, including 156 offers and 20 brands of new and used tractors. The results suggest that tractor price depends negatively on tractor age, increases at decreasing rates with tractor power, and depends significantly on the manufacturer’s brand.
The aim of this study was to determine the main factors influencing the market price of agricultural tractors in Chile. A linear log model is used with data collected from ChileAutos, which is a website for vehicle sales, including 156 offers and 20 brands of new and used tractors. The results suggest that tractor price depends negatively on tractor age, increases at decreasing rates with tractor power and depends significantly on the manufacturer's brand.
