Malone Thomason, a graduate student at Clemson University, explored the impact of biochar amendments on sting nematodes in bermudagrass. These nematodes are problematic for turfgrass and demand a sustainable management solution. Thomason’s research, conducted under Dr. Joseph Roberts, focused on topdressing and soil-incorporated biochar amendments.

Two extensive field experiments were conducted on golf course fairways, testing various treatments, including biochar/compost blends and biochar alone. Turf quality significantly improved with high-rate biochar/compost and biochar applications, but the study revealed that sting nematodes in the soil remained unaffected by these amendments.

Further investigations in a greenhouse included a grow-in experiment with Mini Verde sprigs in different rootzone media. The addition of biochar to soil led to a notable increase in turf growth, though evidence of biochar reducing nematode populations was limited.

Thompson’s work contributes valuable insights into the potential benefits of biochar in enhancing turf quality. While improvements were observed in visual and color aspects of the turf, the study suggests that addressing nematode populations with topdressing amendments might require additional considerations or alternative approaches. This research offers a foundation for future endeavors in sustainable turfgrass management, shedding light on the complexities of biochar’s impact on nematodes in different soil environments.

READ MORE: Can biochar control sting nematodes?



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