Zobrazeno 1 - 10
of 95
pro vyhledávání: '"Jane M. F. Johnson"'
Publikováno v:
Nitrogen, Vol 3, Iss 3, Pp 514-527 (2022)
An online calculator is available to determine economic optimum nitrogen rate (EONR) for maize (Zea mays L.) production in the USA Corn Belt. For Minnesota, this calculator considers nitrogen (N) fertilizer cost, maize grain price and crop history, a
Externí odkaz:
https://doaj.org/article/73ebf5f4ffb24cce90026e15b85e6c6c
Autor:
Hui Xu, Heidi Sieverding, Hoyoung Kwon, David Clay, Catherine Stewart, Jane M. F. Johnson, Zhangcai Qin, Douglas L. Karlen, Michael Wang
Publikováno v:
GCB Bioenergy, Vol 11, Iss 10, Pp 1215-1233 (2019)
Abstract Corn (Zea mays L.) stover is a global resource used for livestock, fuel, and bioenergy feedstock, but excessive stover removal can decrease soil organic C (SOC) stocks and deteriorate soil health. Many site‐specific stover removal experime
Externí odkaz:
https://doaj.org/article/07379bf9d28d48deadea7bb5e0e63008
Autor:
Lidong Li, Virginia L. Jin, Timothy Kettler, Douglas L. Karlen, Márcio R. Nunes, R. Michael Lehman, Jane M. F. Johnson, Maysoon M. Mikha
Publikováno v:
Agrosystems, Geosciences & Environment, Vol 4, Iss 4, Pp n/a-n/a (2021)
Abstract The Conservation Reserve Program (CRP) has been a major factor in land transitions out of intensive row‐crop management on marginally productive lands in the central United States. While CRP can protect these more environmentally sensitive
Externí odkaz:
https://doaj.org/article/eda79a62778c49fb8c59446c71ef7fe3
Autor:
Jane M. F. Johnson, Douglas L. Karlen, Garold L. Gresham, Keri B. Cantrell, David W. Archer, Brian J. Wienhold, Gary E. Varvel, David A. Laird, John Baker, Tyson E. Ochsner, Jeff M. Novak, Ardell D. Halvorson, Francisco Arriaga, David T. Lightle, Amber Hoover, Rachel Emerson, Nancy W. Barbour
Publikováno v:
Agriculture, Vol 4, Iss 4, Pp 274-287 (2014)
In the United States, corn (Zea mays L.) stover has been targeted for second generation fuel production and other bio-products. Our objective was to characterize sugar and structural composition as a function of vertical distribution of corn stover (
Externí odkaz:
https://doaj.org/article/3ade7b60b5dd4c7fb84733bee44f3d72
Publikováno v:
Agriculture, Vol 3, Iss 1, Pp 72-89 (2013)
Corn (Zea mays L.) stover is a potential bioenergy feedstock, but little is known about the impacts of reducing stover return on yield and soil quality in the Northern US Corn Belt. Our study objectives were to measure the impact of three stover retu
Externí odkaz:
https://doaj.org/article/183ab843488648eda1daace7e0411345
Publikováno v:
Agriculture, Vol 8, Iss 3, p 40 (2018)
Calendula (Calendula officinalis L.) seed, due to its high calendic acid content, is recognized as a potential environmentally safe substitute for volatile organic compounds. Agronomic guidelines for nitrogen (N) management to produce calendula seed
Externí odkaz:
https://doaj.org/article/69da5cd1d5b245fd930881a89888e2c6
Publikováno v:
Agronomy Journal. 114:2473-2483
Publikováno v:
Agronomy Journal. 114:1642-1654
Autor:
Jane M. F. Johnson, Jalal D. Jabro, Douglas L. Karlen, Michael Lehman, Maysoon M. Mikha, Virginia L. Jin
Publikováno v:
Soil Science Society of America Journal. 85:2149-2168
Publikováno v:
Soil Science Society of America Journal. 85:2054-2066