Zobrazeno 1 - 10
of 380
pro vyhledávání: '"D. G. Westfall"'
Publikováno v:
Soil Testing and Plant Analysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::369f0ae38f0e1a4a3d905307abed5428
https://doi.org/10.2136/sssabookser3.3ed.c19
https://doi.org/10.2136/sssabookser3.3ed.c19
Publikováno v:
Fertilizer Technology and Use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ac378468ccde74cfc957e0586ba033e
https://doi.org/10.2136/1985.fertilizertechnology.c9
https://doi.org/10.2136/1985.fertilizertechnology.c9
Publikováno v:
Soil Science Society of America Journal. 63:129-134
Cycling of N through an agroecosystem can be managed more effectively if effects of N management and cropping sequence on soil N microbial processes are understood. Effects of cropping intensity and N fertilizer rate on net soil N mineralization were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4155fcdca652f6cb9bdd944f79c5851
https://doi.org/10.2136/sssaj1999.03615995006300010019x
https://doi.org/10.2136/sssaj1999.03615995006300010019x
Autor:
R. H. Follett, D. G. Westfall, J. Vermeulen, R. F. Follet, L. K. Klemedtsson, Jorge A. Delgado, Arvin R. Mosier
Publikováno v:
Nutrient Cycling in Agroecosystems. 46:127-134
Forage production in irrigated mountain meadows plays a vital role in the livestock industry in Colorado and Wyoming. Mountain meadows are areas of intensive fertilization and irrigation which may impact regional CH4 and N2O fluxes. Nitrogen fertiliz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b2627b6506bfcc8faebf88c29f13ca8
https://doi.org/10.1007/bf00704312
https://doi.org/10.1007/bf00704312
Autor:
D. G. Westfall, N. R. Kitchen
Publikováno v:
Journal of Production Agriculture. 3:328-332
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b1027ac93fd55e79ff3a25c41a4a806
https://doi.org/10.2134/jpa1990.0328
https://doi.org/10.2134/jpa1990.0328
Publikováno v:
Agronomy Journal. 82:561-565
(...) This study was conducted to determine critical plant tissue N and NO 3 -N concentrations of three plant parts at three growth stages. Nitrogen was applied preplant (fall) at rates of 0, 22, 44, and 66 kg N ha −1 to establish a range of spring
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13681474d727fea703ec6a0551291974
https://doi.org/10.2134/agronj1990.00021962008200030025x
https://doi.org/10.2134/agronj1990.00021962008200030025x
Publikováno v:
Journal of environmental quality. 23(5)
Farmers in dryland agriculture areas of the Central Great Plains have characteristically practiced alternate crop-fallow to stabilize yields. Large amounts of N released soon after sodbreaking and more recent fertilizer additions may have contributed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e06f0280ffbec5f3243f38b56538456e
https://pubmed.ncbi.nlm.nih.gov/34872224
https://pubmed.ncbi.nlm.nih.gov/34872224
Publikováno v:
Agronomy Journal. 100:60
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1201928ef20f3edc7fb15ece19f1128e
https://doi.org/10.2134/agrojnl2007.0020
https://doi.org/10.2134/agrojnl2007.0020
Autor:
Zaeen, Ahmed Asaad1 ahmed.asaad@sc.uobaghdad.edu.iq, Jawad, Laith Aziz1, Sharma, Lakesh K.1, Hamood, Tareq Zaid1
Publikováno v:
Iraqi Journal of Science. 2023, Vol. 64 Issue 11, p6055-6071. 17p.
Autor:
Semenov, V. M.1 (AUTHOR) v.m.semenov@mail.ru, Lebedeva, T. N.1 (AUTHOR), Sokolov, D. A.1 (AUTHOR), Zinyakova, N. B.1 (AUTHOR), Lopes de Gerenu, V. O.1 (AUTHOR), Semenov, M. V.2 (AUTHOR)
Publikováno v:
Eurasian Soil Science. Sep2023, Vol. 56 Issue 9, p1327-1342. 16p.