Soil fertilizer application attachment for tractor, uses air pump and pipe system to deliver fertilizer to regularly spaced points in parallel rows

摘要

Attached to the rear of the tractor is a bracket (3) on which the central portion of the horizontal beam. At each end is a fold-up extension beam (4). The extension arms (4) are deployed by hydraulic cylinders (6). A fertilizer pump (12) and air pump (13) are used to propel the air and fertilizer mixture is delivered to ground injection points (11) via spring-loaded tubes (18) and needles (10).