ENGINEERING MANAGEMENT OF FORECASTING THE TIMING OF COMBINE HARVESTING AND POSSIBLE LOSSES OF GRAIN CROPS
Keywords:
analyze, engineering management, forecasting, combine harvesting, grain cropsAbstract
Direct combining of grain crops is possible when the grain is fully ripe. This is due to the physical and mechanical
properties of the grain, which hardens when fully ripe, its shape and size become characteristic of a given crop and
variety. The moisture content of grain in the phase of full ripening is in the range of 20-17% and below. The color of
the plant is straw, the stems are brittle, the grain is easily threshed. At full ripening, the accumulation of dry matter in
the grain is completed. In the future, for a very limited period, the mass of grain remains constant, and then
decreases, since under the influence of external conditions, the grain loses part of its nutrients, that is, the so-called
period of grain over ripeness, or overstaying of the grain mass on the vine, begins. During this period, the grain
reduces its commercial, biological, flour-grinding, physical and mechanical qualities, crumbles easily, and in rainy
weather it sprouts in the ear. With a long overstay, both the grain yield and its quality are significantly reduced. The
crop, variety, natural and climatic conditions during the harvesting period or the zone of growing grain crops affect
the amount of grain loss when harvesting is delayed.
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