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- W2283079259 abstract "The modern agricultural technology is based on intensive machine use that promotestrong alterations on soil physical parameter, such as, soil density, porosity and compaction.This alterations contribute to decrease crop yield and minimize farmer savings. This researchwas conducted with the aim to develop and evaluate a methodology to determine soil physicalparameters related to agricultural machine workdays. A computational system was developed todetermine dynamical soil/wheel contact pressure and the soil load capacity, based onpreconsolidation pressure. To evaluate this methodology, a experimental design was done in aLatossolo roxo (heavy clay soil), in Botucatu county, Brazil, constituted by two traffic conditions(with and without) and four periods after rain (one, two, four and six days), followed an randomblocks design with sub-parcels. There was no statistical difference on soil density before trafficshowing that the compaction was uniformly distributed all over the parcels. After traffic thedensity has increased about 24.7%, 19.3%, and 14.6% for one, two and four days after rain,respectively. There was no significantly statistical difference on soil density for six days afterrain condition, showing that the waiting time after rain to realize traffic with dynamic pressure of1169 kPa should be between 4 - 6 days." @default.
- W2283079259 created "2016-06-24" @default.
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- W2283079259 date "2001-01-01" @default.
- W2283079259 modified "2023-10-14" @default.
- W2283079259 title "Soil Physical Parameters Related with Agricultural Machine Workdays" @default.
- W2283079259 doi "https://doi.org/10.13031/2013.7337" @default.
- W2283079259 hasPublicationYear "2001" @default.
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