The seeds produced by docks each year are long-lived, so huge banks of dock seeds can build up within the soil. When dock-infested paddocks get cultivated, the soil is soon reinfested by docks, both ...

The seeds produced by docks each year are long-lived, so huge banks of dock seeds can build up within the soil. When dock-infested paddocks get cultivated, the soil is soon reinfested by docks, both ...