Zobrazeno 1 - 10
of 95
pro vyhledávání: '"Christopher N. Boyer"'
Publikováno v:
Advancements in Agricultural Development, Vol 4, Iss 4 (2023)
Teacher professional development is seen by many as a cornerstone for initiating educational change. Yet, there are many challenges to participating, such as family commitments, high workloads, poor-quality content, high program costs, and frequent t
Externí odkaz:
https://doaj.org/article/9ad7dc48e0374407aa5fa011d4014852
Publikováno v:
Journal of Agricultural and Resource Economics, Vol 45, Iss 1, Pp 78-91 (2020)
We determined how reproductive failure impacts the long-term profitability of beef cows in spring- and fall-calving herds. Simulation models were established to generate distributions of net present value, payback periods, and breakeven prices of cal
Externí odkaz:
https://doaj.org/article/8bb2d6ee96ad41a3b1a8714ada280950
Publikováno v:
Frontiers in Energy Research, Vol 9 (2021)
Sustainable aviation fuel (SAF) has been considered as a potential means to mitigate greenhouse gas (GHG) emissions from the aviation sector, which is projected to continuously expand. This study examines the impact of developing a SAF sector along w
Externí odkaz:
https://doaj.org/article/d2c7e4bd21cc43cea65c385a9888bfc0
Autor:
Hence Duncan, Jacob Eicher, Weston M. Bracey, Virginia R. Sykes, Christopher N. Boyer, Frank Yin, Gary E. Bates, David M. Butler, Alison R. Willette
Publikováno v:
Agronomy, Vol 12, Iss 6, p 1353 (2022)
Winter cover crops can improve the soil’s moisture-holding capacity, reduce soil water evaporation, and mitigate water-induced soil erosion; however, economic studies show mixed results on cover crop impacts on profits. One way to potentially incre
Externí odkaz:
https://doaj.org/article/1cb3ebf0163f4b06bd99797696ff0606
Autor:
James A. Larson, Melissa Stefanini, Xinhua Yin, Christopher N. Boyer, Dayton M. Lambert, Xia Vivian Zhou, Brenda S. Tubaña, Peter Scharf, Jac J. Varco, David J. Dunn, Hubert J. Savoy, Michael J. Buschermohle
Publikováno v:
Agronomy, Vol 10, Iss 12, p 1858 (2020)
Farmers may be reluctant to adopt variable rate nitrogen (VRN) management because of uncertain profits. This study assessed field landscape, soil, and weather effects on optical sensing (OS)-based VRN on cotton (Gossypium hirsutum L.) N rates, yields
Externí odkaz:
https://doaj.org/article/b9a2dbcc6daf48b8b2bebadf76ba8205
Publikováno v:
Journal of Agricultural and Resource Economics, Vol 41, Iss 2, Pp 307-323 (2016)
We determined the value of soil test information for potassium (K) in upland cotton production using the linear response plateau (LRP) and linear response stochastic plateau (LRSP) functions. A stochastic dynamic programming model was used to determi
Externí odkaz:
https://doaj.org/article/58eee634f24e4013885b7f7811a9854a
Autor:
Christopher N. Boyer, T. Edward Yu, Burton C. English, James A. Larson, Nicole Labbé, Lindsey M. Kline
Publikováno v:
AIMS Bioengineering, Vol 3, Iss 2, Pp 125-138 (2016)
The purpose of this study was to determine the effects of three particle sizes of feedstock and two types of novel bale wraps on the quality of switchgrass by monitoring the chemical changes in cellulose, hemicellulose, lignin, extractives, and ash o
Externí odkaz:
https://doaj.org/article/08de8a63335c4053bc9b66bdfdcee9de
Autor:
Christopher N. Boyer, Dayton M. Lambert, Margarita Velandia, Burton C. English, Roland K. Robert, James A. Larson, Sherry L. Larkin, Krishna P. Paudel, Jeanne M. Reeves
Publikováno v:
Journal of Agricultural and Resource Economics, Vol 41, Iss 1, Pp 81-96 (2016)
Factors influencing adoption of variable-rate nutrient management (VRM) and georeferenced precision soil sampling (PSS) for fertilizer management among cotton producers and the factors affecting awareness of and participation in cost-share programs e
Externí odkaz:
https://doaj.org/article/908bf9924b6d4fabb5c5ced94cbcd512
Autor:
Mario Aboytes-Ojeda, Krystel K. Castillo-Villar, Tun-hsiang E. Yu, Christopher N. Boyer, Burton C. English, James A. Larson, Lindsey M. Kline, Nicole Labbé
Publikováno v:
Energies, Vol 9, Iss 11, p 913 (2016)
In recent years, bioenergy has become a promising renewable energy source that can potentially reduce the greenhouse emissions and generate economic growth in rural areas. Gaining understanding and controlling biomass chemical composition contributes
Externí odkaz:
https://doaj.org/article/e807a7f1a15c4ed3ba1f6983c33fb33b
Autor:
Christopher N. Boyer, Eunchun Park, Chad Hellwinckel, S. Aaron Smith, William Maples, Gabriela Perez-Quesada
Publikováno v:
Agricultural and Resource Economics Review, Pp 1-15
Prevented planting payments reimburse crop producers for losses from not being able to plant. These payments provide critical protection to producers; however, these payments, which are determined using a nationwide, crop-specific coverage factor, ha
Externí odkaz:
https://doaj.org/article/f686a7d2ee234e2793f4b3edc283dce1