Zobrazeno 1 - 10
of 61
pro vyhledávání: '"J. L. Hatfield"'
Publikováno v:
Agrosystems, Geosciences & Environment, Vol 2, Iss 1, Pp 1-8 (2019)
Core Ideas Soil management affects carbon and water dynamics. Net ecosystem production was higher in reduced till systems. Ecosystem respiration was higher in tillage systems. Residue management most likely to affect net ecosystem production and ecos
Externí odkaz:
https://doaj.org/article/3e675d4702af4a53a4ec5c49bb4c4bae
Publikováno v:
Agricultural & Environmental Letters, Vol 3, Iss 1 (2018)
Hydraulic sampling can induce artificial compaction or gaps in soil cores, which affects bulk density (BD) and carbon (C) stock estimation. We compared BD (0–120 cm) from hydraulic samples (BD) with soil pit samples (BD) within a corn (, L.)–soyb
Externí odkaz:
https://doaj.org/article/aae2825080814f1ba68a8d862266f528
Autor:
J. L. Hatfield
Recent changes in the Conservation Compliance Plans for farmers shows the need for improved information on the effective management of crop residues. Residue management requires an understanding of the crop, soil, and climate in which the farming sys
Autor:
K, Gillette, R W, Malone, T C, Kaspar, L, Ma, T B, Parkin, D B, Jaynes, Q X, Fang, J L, Hatfield, G W, Feyereisen, K C, Kersebaum
Publikováno v:
The Science of the total environment. 618
Anthropogenic perturbation of the global nitrogen cycle and its effects on the environment such as hypoxia in coastal regions and increased N
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::9160c53ceec8f0ab635b8db921f0a79a
https://pubmed.ncbi.nlm.nih.gov/29079090
https://pubmed.ncbi.nlm.nih.gov/29079090
Publikováno v:
Transactions of the ASABE. 54:643-652
One of the most significant and persistent environmental concerns regarding swine production is the transport of odor constituents, trace gases, and particulates from animal production and manure storage facilities. The objectives of this study were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c04290346d45aabb5e9a02e276e0625
https://doi.org/10.13031/2013.36467
https://doi.org/10.13031/2013.36467
Publikováno v:
Scopus-Elsevier
Society is facing three related issues: overreliance on imported fuel, increasing levels of greenhouse gases in the atmosphere, and producing sufficient food for a growing world population. The U.S. Department of Energy and private enterprise are dev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::797776730b4658a5642abe4846ec716a
https://doi.org/10.2134/agronj2004.1000a
https://doi.org/10.2134/agronj2004.1000a
Autor:
J. L. Hatfield, R. G. Allen
Publikováno v:
Journal of Irrigation and Drainage Engineering. 122:301-308
Effective use of water supplies via irrigation requires good methods for determining crop water needs. To implement irrigation scheduling programs requires an accurate estimate of water use by the ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfd6a1bfcf8ffdf7905ad7a533716d9c
https://doi.org/10.1061/(asce)0733-9437(1996)122:5(301)
https://doi.org/10.1061/(asce)0733-9437(1996)122:5(301)
Autor:
J. L. Hatfield
Publikováno v:
Encyclopedia of Animal Science ISBN: 9780429178061
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a041d8aaf66a4c96f2d1e022079228d8
https://doi.org/10.1081/e-eas2-120045693
https://doi.org/10.1081/e-eas2-120045693
Autor:
J. L. Hatfield
Publikováno v:
Water Science and Technology. 28:415-424
Current agricultural practices are thought to contribute to nonpoint source pollution because of large inputs of pesticides and fertilizers and intensive cultivation and crop production. Trends towards sustainable practices which involve crop rotatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87175ba745ece229a6abc627bfa7ee0a
https://doi.org/10.2166/wst.1993.0444
https://doi.org/10.2166/wst.1993.0444