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Title:   Author  item
                                            Altland, James
  Submitted to: Greenhouse Product News
                                    Publication Type: Trade Journal
                                    Publication Acceptance Date: 7/25/2014
                                    Publication  Date: 9/1/2014
                                    Citation: Altland, J.E. 2014. Weed control in herbaceous perennial container production. Greenhouse Product News. 24(9):12-16.Interpretive Summary:
                                Technical Abstract: Weed control in container production of herbaceous perennials is difficult due to being grown primarily in enclosed production sites where traditional herbicides cannot be used, and due to sensitivity of these crops to traditional herbicides even when they are grown outdoors.  Controlling weeds in herbaceous perennials requires excellent sanitation, prudent use of herbicides when labeled, and use of commercially available mulch products.  Sanitation practices to consider include use of weed free starter plants, excluding field soil from container mixes, and strict control of the gravel surface beneath container crops.  Granular preemergence herbicides can be used when labeled and when crops are grown outdoors.  Mulch products that contain no available nitrogen, that dry quickly, and decompose slowly, are options when preemergence herbicides are not labeled or practical.


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