The most effective method of controlling weeds in container nurseries is to institute preventive measures. In general, the cost of preventing weed growth is substantially lower than the cost of managing weed infestations.
One theory is weed seeds are introduced into the nursery in potting mixes. This possibility seemed worth investigating based on an informal survey of nursery weed management practices in north Florida, and considering practices used to harvest pine bark, a widely used component of the mixes.
Read the rest of the study from the University of Florida here.
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