Summary: According to the Australian Herbicide Resistance Initiative depleting the weed seed bank in your soil need not be a long process. Professor Stephen Powles says as weed numbers fall, technology such as Weed Seeker can help prolong the efficacy of chemicals by targeting specific weeds. Professor Powles says if weed seed levels are high there is an argument for a one off cultivation to deeply bury weed seeds in the soil making them ineffective. Contact: Professor Stephen Powles (08) 6488...
