Zobrazeno 1 - 10
of 34
pro vyhledávání: '"D. G. Morrison"'
Autor:
M.E. Craig, M.D. Kimball, D. G. Morrison, Ronnie L. Byford, W.E. Wyatt, S.M. DeRouen, Lane D. Foil
Publikováno v:
International Journal for Parasitology. 29:125-135
The history of insecticide resistance in the horn fly, Haematobia irritans, and the relationship between the characteristics of horn fly biology and insecticide use on resistance development is discussed. Colonies of susceptible horn flies were selec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dccb07e2ed484143ca1b0c408b520e3e
https://doi.org/10.1016/s0020-7519(98)00196-9
https://doi.org/10.1016/s0020-7519(98)00196-9
Publikováno v:
Journal of Plant Nutrition. 18:2273-2279
Responses of rhizoma perennial peanut (Arachis glabrata Benth.) to rates of phosphorus (P), potassium (K), and a commercial product containing K, magnesium (Mg), sulfur (S), and boron (B) were evaluated on a Louisiana Coastal Plain soil. Although eve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5752a277d96e9afb89fad95a152acf32
https://doi.org/10.1080/01904169509365063
https://doi.org/10.1080/01904169509365063
Publikováno v:
Journal of Animal Science. 70:622-630
Angus and Angus x Hereford heifer calves born in spring or fall seasons were allotted by weight at weaning to be exposed to bulls for calving at either 24 or 30 mo of age. Comparisons were made 1) within birth season--heifers born in the same season
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2300f4a024c9e209e61146f24f58912e
https://doi.org/10.2527/1992.703622x
https://doi.org/10.2527/1992.703622x
Publikováno v:
Journal of Production Agriculture. 3:470-474
(...) A 2-yr study evaluating the effect of sodseeding method and ryegrass-clover mixtures on forage production, animal performance, and economics of sodseeded winter pastures for growing beef animals was conducted. (...)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::479ecc291b35fdf0a4062ce42ba0e131
https://doi.org/10.2134/jpa1990.0470
https://doi.org/10.2134/jpa1990.0470
Publikováno v:
Telepresence ISBN: 9781461374145
Teleconferencing has developed through the stages of audio, and video, and now data-conferencing (including fax, file exchange, shared-document editing, etc), and is poised to move on to virtual reality (VR) methods. VR may involve the mixing of real
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a60e0adfe99c3b9b167299fd0b24406d
https://doi.org/10.1007/978-1-4615-5291-8_8
https://doi.org/10.1007/978-1-4615-5291-8_8
Autor:
D G Morrison
Publikováno v:
SP-162: Mete A Sozen Symposium...A Tribute From His Students.
The novel design tools described in this paper included the "Designer Wave" and the "Quickwave" methods. The "Designer Wave" is a practical short portion of random wave simulation that captures enough of the structural response -- and shear and momen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4c6066fce57cecd12f7686d77e70a2e
https://doi.org/10.14359/1514
https://doi.org/10.14359/1514
Publikováno v:
Journal of animal science. 73(5)
Effects of body condition score (BCS) at parturition and postpartum weight gain on reproduction and production responses were evaluated using 240 primiparous (21 to 28 mo) beef cows calving in 60-d periods in three states over 3 yr. Cows were randoml
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::425b4daa31005319d50b421c2b51a11e
https://pubmed.ncbi.nlm.nih.gov/7665355
https://pubmed.ncbi.nlm.nih.gov/7665355
Autor:
D. G. Morrison, L. D. Foil
Publikováno v:
Journal of economic entomology. 88(1)
In the spring of three consecutive years, horn fly, Haematobia irritans (L.), populations on fall-calving cows were reduced 82% for a 12-wk period using pyrethroid-impregnated ear tags. Horn fly populations on control cows exceeded 200 flies per anim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b1d3f3c0fefd72e2dcf76de42acdddd
https://pubmed.ncbi.nlm.nih.gov/7884078
https://pubmed.ncbi.nlm.nih.gov/7884078
Autor:
D.E. Franke, W. E. Wyatt, P. E. Humes, T.W. White, D.F. Coombs, B B Greene, S.M. DeRouen, D. G. Morrison
Publikováno v:
Journal of animal science. 72(5)
Data were collected on 476 spring-calving, primiparous cows at six locations in Louisiana over a 2-yr period. Objectives of the study were to evaluate changes in prepartum body condition score (BCS) and BW of heifers when fed varying energy levels an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::adcd95c3407783636f915a40faeac1f1
https://pubmed.ncbi.nlm.nih.gov/8056656
https://pubmed.ncbi.nlm.nih.gov/8056656