The results of using nematodes are usually visible within 1 to 3 weeks . This depends on the nematode species, the size of the infestation, and the environmental conditions. Nematodes need time to move through the soil and find their prey (such as vine weevils ).
Initially, the effects may be subtle, but over time, you'll notice a reduction in the infestation. It can sometimes take a little longer if the infestation is severe or the environmental conditions are less than ideal, such as when the soil is too cold or too dry. So, patience is key! It's also good to know that nematodes are more effective when applied under the right conditions , such as moist soil and the right temperature. After 2-3 weeks, you can assess whether a second treatment is necessary.
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