In this review, we briefly summarize international events that have led to this possible situation, describe current glyphosate usage in major agronomic field crops worldwide, outline possible alternatives to glyphosate in two agroregions and perform bioeconomic model scenarios of southern Australian broadacre cropping systems without the herbicide. Contingency plans need to be formulated if that scenario becomes a reality. The possibility of farming without glyphosate is becoming an important issue facing the agri-food research and development sector. Some jurisdictions have already banned or restricted its use, which will adversely impact international trade in bulk grain commmodities if glyphosate residues are detected.
Consequently, glyphosate-based products are under intense scrutiny from governments at all levels.
Recent statements from scientific organisations and court decisions have resulted in widespread public interest and concern over the safety of glyphosate, the most popular and effective herbicide used worldwide.
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