Weeds present a cost to grain growers, weed management often influences how growers manage cropping systems. This report discusses the cost of weeds and weed management and tillage practices.

GRDC commissioned this comprehensive industry study into the cost of weeds, including yield loss and the costs of weed management practices. With input from grain growers, agronomists, consultants, agribusiness data experts and weed researchers, this report was the most comprehensive review at the time of publishing, to guide future decisions on cropping systems research, development and extension.

2025 edition

A new edition of the Impact of weeds on Australian grain and cotton production was published in 2025.

Want a printed copy?

Printed copies of some publications are available for growers, advisers and farming systems groups, for personal use and distribution at GRDC events.

View our current stocklist.

Contact GroundCover Direct on 1800 11 00 44 or email ground-cover-direct@canprint.com.au to copies. Publications are free but postage and handling costs may apply.