- Author: Richard Smith
Published on: February 5, 2013
Weed control in onions can be challenging. Onions have various challenges that make weed control difficult. They grow slowly early in the crop cycle and never achieve a good competitive crop canopy to suppress weeds. Also, given the high density plantings, it is not possible to effectively cultivate the beds. In addition, given the close spacing between plants, it is difficult to hoe out weeds without risking damage to the onion stand. In conventional onion production there are a number of materials that can provide excellent weed control (see Figure 1). The timing of application of the materials can be tricky because some weeds may grow quickly and be difficult to control by the time the onions reach the 2nd...
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