Freshly-sprayed pots and loaded petri dishes for the dose response work with wood vinegar and potassium nitrate. The compounds were placed with the seed in the petri dishes while -- for the potted work – seeds were deposited in the soil and sprayed at 200 litres per hectare.

Wake weeds up and let Mother Nature sort them out

Researcher finds value in wood vinegar in unique weed-killing process

Glacier FarmMedia — It makes some intuitive sense: stimulate weeds’ growth at the wrong time of the year and let the winter frost kill them off. The challenge, says a scientist, is finding the right stimulant to wake them up. Shaun Sharpe, a weed researcher with Agriculture and Agri-Food Canada (AAFC) in Saskatoon, may have […] Read more