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| I controlled by pressure with a pressure regulator, pressure gauge, and a needle valve bypass. That with orifices and controlling ground speed did well. I used a 4.5 gpm electric pump which limits me to covering no more than 4 minutes to the acre for putting down 60 pounds or 17 gallons of 32%. With a 4 row planter at 4.2 mph, that was no problem at all. Because that's planting 5 acres an hour or 12 minutes per acre.
At just over $100 per pump, more electric pumps (draw about 10 amps each) are practical and make for easy planter splitting for point rows.
Gerald J. | |
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Corn planter, 12 volt electric fert. pump?
