February 2007 presented by Dr Chris Preston Dr Chris Preston of the Cooperative Research Centre for Australian Weed Management (Weeds CRC) - a keynote speaker at the 2007 GRDC Adviser Updates - discusses the need to understand weed biology and behaviour under different farming systems. Dr Preston says that weeds behave differently in traditional farming systems than they do under conservation farming systems such as minimum tillage. With the widespread adoption of no-till, further changes in weed behaviour can be...