Brian Fowler built the first Fowler Seeding System module a number of years ago, while Colin developed the unique gauge wheels which replaces the traditional press wheel.
The system comprises a low pressure spring-loaded trailing arm to which is attached a seeding module fully independent of the digging tine. The module is positioned directly behind the leading tine with polyurethane gauge wheels attached each side to move disturbed soil back over the seed.
The critical focus is on the gauge wheels. They’re not press wheels. They side press and move the soil back in over the seed without pressing the soil over the top of the seed. This allows for the creation of soil atmosphere so that water vapour can germinate the seed. This is why we getting a better germination and more importantly emergence.
When using standard press wheels, in clay soil types, the soil would build up on the press wheels and inturn alter the depth-controlling ability (the build up of soil on a wheel is directly comparable to the width of the wheel, ie; 40mm wide-40mm buildup). Crusting was another problem we would get from the compaction by the press wheel over the seed causing either staggered germination or emergence, as plants failed to break through the crust to get to the surface.
"From desperation comes inspiration."
We have found there is two aspects of perfect seed depth control, firstly, set up the seed bed and then control the amount of soil that is placed over the seed. You can eliminate operator error because,the module is independent of the tine. You can place the seed exactly where you need it and it does not matter what length of point you want to use. If you need to alter seeding depth, simply, twist the plunger pins to slide the closing tool up or down to the desired position. You can adjust the gauge wheel pressure to suit different soil conditions as well as adjusting the width and angle of the wheels.
The system is manufactured in Wongan Hills, Western Australia with Australian components