PSS grad, CASNR scientists bring home Crop Science Society of America honor
By: Norman Martin
A recently published paper titled "Establishment and Stand Development of Alfalfa
Interseeded into Native Grass Mixtures: Cultivar and Row Spacing Effects," authored
by a 2019 Ph.D. graduate student from the Department of Plant and Soil Science and
two College of Agricultural Sciences and Natural Resources professors, has been selected
as the first place winner in the Crop Science Outstanding Paper Award for the Forage
and Grazinglands Division of the Crop Science Society of America.
The award-winning paper's authors are Madhav Dhakal, a research affiliate with the USDA Agricultural Research Service in Stoneville, Mississippi, Charles West, the Thornton Distinguished Chair with Tech's Department of Plant and Soil Science and Carlos Villalobos, an associate professor with Tech's Department of Natural Resources Management. Dhakal received his doctorate in plant and soil science from Texas Tech in 2019.
According to the abstract of the winning paper, alfalfa seedling or crown density
fitted against time with exponential models revealed an initial sharp decline followed
by a slow rate of decline after establishment. At the end of three years, row-spacing
results converged to similar levels for plant density and alfalfa cover. This indicates
significant seed cost savings with the wider row spacing at that level of stand establishment.
Interseeding adapted, upright-type cultivars at wide row spacing can produce a desirable level of alfalfa establishment in a semiarid grassland of the southern Great Plains. The research was supported by the CH Foundation and Southern SARE grant LS17-286.
Today, Dhakal's research broadly focuses on plot-scale research in the Mississippi Delta Alluvial Plain as part of a larger network project called the Long-Term Agroecosystem Research. Prior to taking his current position, Dhakal served as a graduate research assistant with Tech's Department of Plant and Soil Science, and an agriculture officer with the National Agricultural Research and Development Fund in Kathmandu, Nepal.
While at Texas Tech, Dhakal was the second-place winner in the Texas Tech Graduate School's 2018 Three-Minute Thesis competition for his presentation "Trade-off between forage improvement and water use for grass-alfalfa system."
CONTACT: Glen Ritchie, Department Chair, Department of Plant and Soil Science, Texas Tech University at (806) 742-4325 or glen.ritchie@ttu.edu
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