** Test to find the relationship between the speed of the Metering Device the channels open with the North by KCL fertilizer and plastic beads the set Metering Device is installed, open a channel to control the rate of fertilizer to supply more precise. You can resize the box is open from 1-11 cm and will be tested at the speed of the rotating fin. (Metering Device), at 70, 80, 90, 100 and 110 RPM (Feed rate of 10, 15, 20 4 levels and 25 Kg/min)
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