Method of field preparation for planting using ripper, and tractor with injector for deep application and mixing of amendment with soil

A method of deep soil amendment using an injector, the method comprising:

• pulling the injector through a soil bed using a tractor to create a void in the soil at a depth, wherein the injector comprises an open chute extending down into the void;
• and
• supplying amendment to the open chute, wherein the amendment falls down into the void and is mixed, down to the depth, with the soil bed by wake created by the injector moving through the soil bed.

A method of deep soil amendment for treating two substantially parallel rows at the same time using injectors pulled by a tractor, the method comprising:

• pulling a first injector and a second injector through a soil bed using the tractor to create voids in the soil at depth, wherein each injector comprises an open chute extending down into the voids;
• and
• supplying amendment to the open chutes, wherein the amendment falls down into the voids and is mixed with the soil bed down to the depth by wakes created by the injectors moving through the soil.