作者: Lowell H. Neumeyer
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摘要: A dual air system for separately conveying fertilizer and seed in an implement such as drill or seeder which includes adjustable divider arrangement providing a small amount of starter to be placed with the seed. The total metered by fluted feed wheel is divided into two streams knife plate. pivoting baffle plate resting against deflects one portions system. other stream delivered overall rate application may adjusted without affecting provided