|6843020||Fertilizer spike and method and apparatus for inserting same into soil|
A fertilizer spike is insertable into soil utilizing a tool having prongs. The fertilizer spike comprises a fertilizer body comprised of fertilizer material having a base end with an outer surface that converges toward a tip end, in which at least two channels are f...
|5887663||Marker-actuated implement control circuit for an agricultural machine|
Disclosed is a method for controlling the above-ground "raise height" of a seed-planting row unit on an agricultural planter having a row marker, a marker switch and a positioning assembly such as a solenoid valve and hydraulic cylinder for raising and lo...
|4289256||Tramlining device for seed drill|
A tramlining device is provided for a seed drill having shutters associated with respective seed spouts and controlled by individual fluid pressure operated actuators for improved flexibility in selecting the tramline spacing. The actuators are preferably...