Treating Large Containers With Herbicides

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Up to 75% of the herbicides broadcast-applied to container nursery crops falls to the ground between the pots. As the size of the crop increases, the space between pots increases — resulting in greater and greater percentages of the applied herbicide falling between pots. In container production of large woody nursery crops it is common to treat individual pots rather than making broadcast applications. However, applying preemergence herbicides to individual pots uniformly and accurately is difficult to achieve. Guidelines and tips for making granular and spray applications to large containers are available in the factsheet: Treating Individual Containers with Herbicides