My story to explain my opinion is at www.mdvaden.com In ADVICE, then Landscape and Equipment Advice - the topic on Weed Fabrics. Hydroponics is a good example to explain the failure for fabric success.
Same here, preen or snapshot, prior to mulching, then a good 2-3" thick layer. Tip: Cypress and many other mulches are very easlily spread with pitchforks, say goodbye to bending over all day.
In Oregon you would not have to have a license, unless it changed very recently. But on a few conditions: 1. No advertising of its use. 2. Its about 10% or less of your work. 3. You need to keep an application record. 4. No motorized application equipment. This is actually a bigger window to apply without a license than it appears. I would expect that many of the laws regarding licensing are different for each state. In Oregon, its handled by the Oregon Department of Agriculture.
