Projects
1) Wang, K.-H., J. Bloese, J. Uyeda, J. Silva, H. Lutgen, K. Tavares, R. Manandhar. 2023-2028. Regenerating Soil Health through Shelterbelt Planting, Sheet Mulching and Tree Mulch Plant-Available Nitrogen Calculator. NRCS OnFarm Trial. NR233A750011G011
2) Wang, K.-H., J. Uyeda, J. Silva, D. Elliot, T. Radovich. 2022. Western Cover Crop Council Outreach Grant. U.S. USDA NIFA 2018-38640-28418 through Western SARE (WESP 19-01).
3) Wang, K.-H., K. Lawrence, B. S. Sipes, E. Sikora, Z. Cheng, R. Myers, R. Manandhar, J. Uyeda, S. Marahatta. 2021-2024. Organic sweetpotato IPM and soil health management for small- and mid-size farms. NIFA OREI (HAW09705-G).
4) Wang, K-H., J. Silva, and J. Uyeda. 2021-2023. Cover crop mix for orchard or trellis fruit and vegetable crops: Better soil health and weed management in Hawaii. NRCS CIG PIA (NR2192510002G002).
5) Wang, K.-H., J. Silva, and J. Hawkins. 2019-2021. Finding new friends for sunn hemp to revitalize degraded soil in the tropic. NRCS CIG PIA (NR1992510002G001).
6) Waisen, P. and K.-H. Wang. 2017-2019. “Cover Crop 5-in 1 Approach” for nematode management using mustard and oil radish. WSARE $25,000.
7) Wang, K.-H., Archana Pant, Jari Sugano, and Jensen Uyeda. 2015-2018. Improving water use efficiency through no-till cover cropping and solarization. NRCS CIG (Hawaii).
8) Wang, K.-H., T. Radovich, A. Pant, N. Andrew, N. Hue, J. Sugano and J. Uyeda. 2014-2017. Promoting the use of cover crop calculator for the tropics as nitrogen management tool and the use of cover crops for soil health management guideline. NRCS CIG (National).
9) Wang, K.-H., A. Pant, T. Radovich, J. Sugano, C. Tamaru, B. Fox, J. Uyeda, S. Chiang, C. Chan-Halbrandt. 2013-2016. Center of Rural Agriculture Training for Entrepreneurship (CRATE) for the Pacific. NIFA AFRI AE&RC
10) Wang, K.-H et al. 2013-2015. The influence of cover crops and tillage on soil quality, greenhouse gas emissions, pest community dynamics, and economics of fields transitioning to organic farming. NIFA ORG.
11) Wang, K.-H., L. Kaufman, B.S. Sipes, T. Radovich, and J. Sugano. 2010-2012. An innovative cover cropping system for organic cucurbit growers in Hawaii: From nematode and pickleworm management, improvement of pollinator habitat to soil conservation. NRCS CIG.
12) Wang, K.-H., C.R.R. Hooks, B.S. Sipes, J. Sugano, and A. Arakaki. 2010-2012. Using conservation tillage and cover crop mixtures to enhance natural enemies of nematode pests. TSTAR.
Selected Publications
To access PDF files of my publications, please visit ResearchGate at http://www.researchgate.net/profile/Koon-Hui_Wang/publications
- Wang,
K.-H. P. Waisen, R. Paudel, G. Chen, S.L.F. Meyer and C.R.R. Hooks. 2022. Effects
of plasticulture and conservation tillage on nematode assemblage and their
relationships with nitrous oxide emission following a winter cover cropping and
vegetable production system. Horticulturae 8: 728.
https://doi.org/10.3390/horticulturae8080728.
- Marquez,
J., R. Paudel, B. S. Sipes, and Koon-Hui Wang. 2022. Successional effects of
no-till cover cropping with black oat (
Avena olariza) vs. soil
solarization on soil health in a tropical Oxisol.
Horticulturae 8: 527 (https://doi.org/10.3390/horticulturae8060527).
- Wang,
K.-H., P. Waisen, A. W. Leslie, R. Paudel, S.L.F. Meyer and C.R.R. Hooks. 2022.
Relationships between soil tillage systems, nematode communities and weed seed
predation.
Horticulturae 8: 425. https://doi.org/10.3390/horticulturae8050425.
- Paudel,
R., P. Waisen, and K.-H. Wang. 2021. Exploiting the innate potential of
sorghum/sorghum–sudangrass cover crops to improve soil microbial profile that
can lead to suppression of plant-parasitic nematodes.
MDPI-Microorganisms
9:1831
https://doi.org/10.3390/microorganisms9091831
- Manandhar, R., K.-H. Wang, C. R.R. Hooks, and M. Wright. 2017. Effects of
strip-tilled cover cropping on the population density of thrips and predatory
insects in a cucurbit agroecosystem. Journal of Asia-Pacific Entomology 192_R1.
- Kokalis-Burelle, N., R. McSorley, K.-H. Wang, S. Saha, R. McGovern. 2017. Rhizosphere microorganisms affected by soil solarization and cover cropping in
Capsicum annuum and Phaseolus lunatus agroecosystems. Applied Soil Ecology 119: 64-71.
- Leslie, A., K.-H. Wang, S. Meyer, C. R.R. 2017. Hooks. Influence of cover crops on arthropods, free-living nematodes, and yield in a succeeding no-till soybean crop. Applied Soil Ecology 117-118: 21-31.
- Quintanilla-Tornel, M.A., K.-H. Wang, J. Tavares, C.R.R. Hooks. 2016. Effects of mulching on above and below ground pests and beneficials in a green onion agroecosystem. Agriculture, Ecosystems, & Environment 224: 75-85.
- Hinds, J., K.-H. Wang, and C. R.R. Hooks. 2015. Growth and yield of zucchini squash (Cucurbita pepo L.) as influenced by a sunn hemp living mulch. Biological Agriculture & Horticulture. 13 pp. DOI: 10.1080/01448765.2015.1017736.
- Wang, K.-H., T. Radovich, A. Pant, and Z. Cheng. 2014. Integration of cover crops and vermicompost tea for soil and plant health management in a short-term vegetable cropping system. Applied Soil Ecology 82: 26-37. DOI: 10.1016/j.apsoil.2014.05.003
- Hinds, J., K.-H. Wang, S. P. Marahatta, S. L.F. Meyer, and C. R.R. Hooks. 2013. Investigating the influence of sunn hemp cover cropping and organic fertilizer on the nematode community in a zucchini cropping system. Journal of Nematology 45: 265-271.
- Marahatta, S.P., K.-H. Wang, B.S. Sipes, and C.R.R. Hooks. 2012. Effects of Tagetes patula on active and inactive stages of root-knot nematodes. Journal of Nematology 44: 26-30.
- Marahatta, S. P., K.-H. Wang, B.S. Sipes, and C.R.R. Hooks. 2012. Effects of the integration of sunn hemp and soil solarization on plant-parasitic and free-living nematodes. Journal of Nematology 44: 72-79.
- Marahatta, S. P., K.-H. Wang, B.S. Sipes, and C.R.R. Hooks. 2012. Effects of Crotalaria juncea on anhydrobiotic state of Rotylenchulus reniformis. Nematropica 42: 34-40.
- Hooks,C. R.R., K.-H. Wang, S.L.F. Meyer, M. Lekveishvili, J. Hinds, E. Zobel, A. Rosario-Lebron, and M. Lee-Bullock. 2011. Impact of no-till cover cropping of Italian ryegrass on above and below ground faunal communities inhabiting a soybean field with special emphasis on soybean cyst nematodes. Journal of Nematology 43: 166-175.
- Wang, K.-H., C.R.R. Hooks, and S.P. Marahatta. 2011. Can using a strip-tilled living mulch system enhance organisms higher up in the soil food web hierarchy? Applied Soil Ecology 49:107-117(doi:10.1016/j.apsoil.2011.06.008 ).
- Hooks, C.R.R., K.-H. Wang, A. Ploeg, R. McSorley. 2010. Using marigold (Tagetes spp.) as a cover crop to protect crops from plant-parasitic nematodes. Applied Soil Ecology 46: 307-320.
- Wang, K.-H., B.S. Sipes, and C.R.R. Hooks. 2011. Sunn hemp cover cropping and solarization as alternatives to soil fumigants for pineapple production. Acta Hort (ISHS) 902: 221-232. http://www.actahort.org/books/902/902_22.htm
- Marahatta, S. P., K.-H. Wang, B.S. Sipes, and C.R.R. Hooks. 2010. Strip-till cover cropping for managing nematodes, soil microarthropods and weeds in a bitter melon agroecosystem. Journal of Nematology 42: 111-119.
- Wang, K.-H., R. McSorley, R. N.Gallaher, N. Kokalis-Burelle. 2008. Cover crops and organic mulches for nematode, weed, and plant health management. Nematology 10: 231-242.
- Wang, K.-H., R. McSorley, N. Kokalis-Burelle. 2006. Effects of cover cropping, solarization, and soil fumigation on nematode communities. Plant and Soil 286: 229-243.
- Wang, K.-H., R. McSorley, A. J. Marshall, and R. N. Gallaher. 2004. Nematode community changes following decomposition of Crotalaria juncea amendment in litterbags. Appl. Soil Ecology 27:31-45.
- Wang, K.-H., R. McSorley, R. N. Gallaher. 2004. Effect of Crotalaria juncea amendment on squash infected with Meloidogyne incognita. J. Nematol. 36: 290-296.
- Wang, K.-H., R. McSorley, R. N. Gallaher. 2004. Relationship of soil management history and nutrient status to nematode community structure. Nematropica 34: 83-95.
- Wang, K.-H., R. McSorley, R. N. Gallaher. 2003. Effect of Crotalaria juncea amendment on nematode communities in soil with different agricultural histories. J. Nematol. 35: 294-301.
- Wang, K.-H., B. S. Sipes, and D. P. Schmitt. 2003. Intercropping cover crops with pineapple for the management of Rotylenchulus reniformis and Meloidogyne javanica. J Nematol. 35: 30-47.
- Wang, K.-H., B. S. Sipes, and D. P. Schmitt. 2002. Crotalaria juncea as a cover crop for nematode management: A review. Nematropica 32: 35-57.
- Wang, K.-H., B. S. Sipes, and D. P. Schmitt. 2003. Suppression of Rotylenchulus reniformis enhanced by Crotalaria juncea amendment in pineapple field soil. Agri. Eco. Environ. 94: 197-203.
- Wang, K.-H., B. S. Sipes, and D. P. Schmitt. 2002. Management of Rotylenchulus reniformis in pineapple, Ananas comosus, by intercycle cover crops. J. Nematol. 34: 106-114.
- Wang, K.-H., B. S. Sipes, and D. P. Schmitt. 2001. Suppression of Rotylenchulus reniformis by Crotalaria juncea, Brassica napus, and Tagetes erecta. Nematropica 31(2): 235-249.
Newsletters
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Wang, K.-H., R. Paudel, J. Mew, and J. Silva. 2023. Akamai Cover Crop Mix (White clover, buckwheat, black oat): Does it benefit soil health? HānaiʻAi 52: December, 2023.
-
Pitiki, M., B. Wiseman, L. Wong, B. Sipes, J. Silva, J. Uyeda, R. Mandhar and K.-H. Wang. 2023. Sustainable Pest and Soil Health Management for Sweet Potato Production. HānaiʻAi 51: September 2023. https://gms.ctahr.hawaii.edu/gs/handler/getmedia.ashx?moid=72226&dt=3&g=12
- Wang, K.-H., and B. S. Sipes. 2023. Prescription for soil health by cover cropping in Hawaii: for annual cropping systems. HānaiʻAi 50: June 2023. https://gms.ctahr.hawaii.edu/gs/handler/getmedia.ashx?moid=72134&dt=3&g=1
- Wang, K.-H., J. Mew and J. Silva. 2023. Akamai cover crop mix: How to establish? Partial cost analysis and its benefits. HānaiʻAi 49: March 2023. https://gms.ctahr.hawaii.edu/gs/handler/getmedia.ashx?moid=72076&dt=3&g=12
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Paudel, R., L. Braley, Joshua Silva and K.-H. Wang. 2022. Subbing sunn hemp with sorghum in Fusarium soils. HānaiʻAi 48: Newsletter December 2022. 8 pp. https://gms.ctahr.hawaii.edu/gs/handler/getmedia.ashx?moid=71763&dt=3&g=12
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Catherman, H., K.-H. Wang, R. Paudel, S. Budhathoki, and C. Mogren. 2021. Pigeon pea: A multipurpose N-fixing border crop. https://myemail.constantcontact.com/The-Latest-H-nai-Ai-News---April---May---June-2021-Volume-42.html?soid=1102675671876&aid=F9Y1OK_qJKk
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Paudel, R., S. Budhathoki, and K.-H. Wang. 2021. Revitalized degraded soil in the tropic with energy sorghum. HānaiʻAi 42. https://myemail.constantcontact.com/The-Latest-H-nai-Ai-News---April---May---June-2021-Volume-42.html?soid=1102675671876&aid=F9Y1OK_qJKk.
- Waisen, P., R. Paudel, and K.-H. Wang. 2020. An Update on Biofumigation Research in Hawaii: The equipment matters! HānaiʻAi Newsletter March-May, 2020.
- Waisen, P. and Wang, K.-H. 2019. What plastic mulch can help biofumigation to better manage nematodes? HānaiʻAi Newsletter September 2019.
- Waisen, P. and Wang, K.-H. 2018. Trap cropping and biofumigation for plant-parasitic nematode management. HānaiʻAi Newsletter March, April, May 2018.
- Ching, S., K.-H. Wang, and J. Uyeda. 2017. Drop Spreader Calibration using the 10/160th Method. HānaiʻAi Newsletter March-April-May 2017.
- Marquez, J., K. Matsuda, and K.-H. Wang. 2016. Improving Conservation Tillage with Conservation Agriculture Practices. Hānai‘Ai Newsletter June/July/Aug 2016.
- Wang, K.H., I.A. Zasada, and B.S. Sipes. The Secret of the Allelopathic Effect of Sunn Hemp for Suppressing Plant-parasitic Nematodes. Hānai‘Ai Newsletter June-July-August 2012.
- Wang, K.H. Cover crops as insectary plants to enhance above and below ground beneficial organisms. Hānai‘Ai Newsletter March-April-May 2012.
- Wang, K.-H., B.S. Sipes, C.R.R. Hooks, and J. Leary. Improving the status of sunn hemp as a cover crop for soil health and pests management. Hānai‘Ai Newsletter Summer 2011. http://www.ctahr.hawaii.edu/sustainag/news/articles/V8-Wang-sunnhemp.pdf
- Wang, K.-H., B.S. Sipes, and C.R.R. Hooks. Environmental friendly approaches for managing nematodes and weeds on pineapple. Pineapple News 17: 27-32. May 2010.
- Wang, K.-H. Improving marigold cover cropping for nematode management. HānaiʻAi Newsletter Summer 2010. https://www.ctahr.hawaii.edu/sustainag/news/articles/V4-Wang-marigold.pdf
- Wang, K.-H. Soil solarization and cover cropping as alternatives to soil fumigation for pineapple growers in Hawaii. HānaiʻAi Newsletter Spring 2010. http://www.ctahr.hawaii.edu /sustainag/news/articles/V3-Wang-SHPineapple.pdf
- Wang, K.-H. and C.R.R. Hooks. Strip-till cover cropping and row switching techniques. HānaiʻAi Newsletter Winter 2009.
- Wang, K.-H. and S. P. Marahatta. Improving sunn hemp benefits by integrating with solarization. HānaiʻAi Newsletter Fall 2009.
Extension Publications at CTAHR
- Pant, A., T.J.K. Radovich, K.-H. Wang, N.V. Hue, M. Fergerstrom, R. Hamasaki, M. Wung, and C. Robb. 2015. Performance and plant-available nitrogen contribution of cover crops in high elevations in Hawai‘i. CTAHR Cooperative Extension Service SA-15. 8 pp. http://www.ctahr.hawaii.edu/oc/freepubs/pdf/SA-15.pdf
- Wang. K.-H. and B.S. Sipes. 2009. Solarization and Cover Cropping as Alternatives to Soil Fumigants for Nematode Management in Hawai‘i’s Pineapple Fields. CTAHR Cooperative Extension Service SCM-29. 4 pp. http://www.ctahr.hawaii.edu/oc/freepubs/pdf/SCM-29.pdf
- Hooks, C.R.R., K. Chandara, D.Fallon, K.-H. Wang, R. Manandhar. 2007. The impact of sunn hemp cover cropping on belowground organisms and nutrient status associated with a cucumber planting. Cooperative Extension Service SCM-21. http://www.ctahr.hawaii.edu/oc/freepubs/pdf/SCM-21.pdf
- Wang, K-H., C. R.R. Hooks, and Antoon Ploeg. 2007. Protecting crops from nematode pests: using marigold as an alternative to chemical nematicides. Cooperative Extension Service, CTAHR, PD-35. http://www.ctahr.hawaii.edu/oc/freepubs/pdf/PD-35.pdf
- Hooks, C.R.R., A. Fereres, and K.-H. Wang. 2007. Using protector plants to guard crops from aphid caused non-persistent viruses. Cooperative Extension Service, CTAHR SCM-18. http://www.ctahr.hawaii.edu/oc/freepubs/pdf/SCM-18.pdf
Videos
Presentations
Poster
Procedure for sunn hemp strip till cover cropping.