Zobrazeno 1 - 10
of 62
pro vyhledávání: '"O. Primavesi"'
Autor:
A.C.P. de A. Primavesi, A.R.A. Nogueira, O. Primavesi, R. Godoy, L.A.R. Batista, N.J. Novaes, M.S. França-Dantas
Publikováno v:
Scientia Agricola, Vol 51, Iss 1, Pp 53-57 (1994)
Em experimento conduzido em Latossolo Vermelho-Amarelo distrófico, em área da EMBRAPA - CPPSE em São Carlos, situada a 22°01'S e 47°53'W, com altitude de 856 m e média de precipitação anual de 1502 mm, procedeu-se a determinação da composi
Externí odkaz:
https://doaj.org/article/3ae1a46e71cb4557b94cbc8786a71b02
Autor:
A.C.P. de A. Primavesi, A.R.A. Nogueira, O. Primavesi, R. Godoy, L.A.R. Batista, N.J. Novaes, M.S. França-Dantas
Publikováno v:
Scientia Agricola, Vol 51, Iss 1, Pp 47-52 (1994)
Para avaliar genótipos promissores de Leucaena spp., foi instalado experimento em Latossolo Vermelho-Amarelo distrófico, na área da EMBRAPA-CPPSE em São Carlos, situada a 22°01'S e 47°53'W, com altitude de 856 m e média de precipitação anual
Externí odkaz:
https://doaj.org/article/0cc7b97bbb7540d1b70a336af52deb05
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Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 271:221-224
fertilized plots, four to five times a year. Experimental design was a random block (100 m 2 ), with 6 replications and 4 treatments. Each block received 4 t/ha of limestone, except the control. Forage samples were collected 14 cm above soil surface.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53b56a0fb5e616f54aa7faa86b720bd8
https://doi.org/10.1007/s10967-007-0133-1
https://doi.org/10.1007/s10967-007-0133-1
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 238:7-12
Instrumental neutron activation analysis (INAA), followed by gamma-ray spectrometry, was used to determine the concentration of K, Ca, Mg, Na, Zn, Fe, Mn, Mo, Co, Cr, La, Eu and Th in six species of legumes and three species of grasses. Each species
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30bbbc8fb38702dcf06ad18f5bbb9aed
https://doi.org/10.1007/bf02385348
https://doi.org/10.1007/bf02385348
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 264:29-31
Field trial was performed at the experimental farm of Southeast Embrapa Cattle, Sao Carlos - SP, Brazil, on a 16 year old Brachiaria decumbens pasture, grown on a distrophic Hapludox (Oxisol), recovered by the use of limestone and fertilizer. The exp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ace3067d4b66df4a5a59da5696bfbc4
https://doi.org/10.1007/s10967-005-0670-4
https://doi.org/10.1007/s10967-005-0670-4
Autor:
Rosa Toyoko Shiraishi Frighetto, Marcelo de Queiroz Manella, Magda Aparecida de Lima, O. Primavesi, L. A. Romero, João José Assumpção de Abreu Demarchi, Alexandre Berndt
Publikováno v:
Journal of Agricultural Science. 8:106
The objective of this study was to evaluate the effect of seasons under a tropical climate on forage quality, as well the effect of an Urochloa brizantha cv. Marandu grazing system on enteric methane (CH4) emissions from Nellore cattle in the Southea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6160ebdede4b3208812092ed780b1efa
https://doi.org/10.5539/jas.v8n4p106
https://doi.org/10.5539/jas.v8n4p106
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 252:585-587
Instrumental neutron activation analysis (INAA) was applied for the determination of Zn concentration in the main tropical grass forages used in intensive dairy cattle production systems, in Brazil. Smaller Zn concentration could be verified in the r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5fdbc2e66bac823baf9095996e82ca14
https://doi.org/10.1023/a:1015875309037
https://doi.org/10.1023/a:1015875309037
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 244:295-297
Leaf samples of two varieties of Cajanus cajan Millsp were analysed by instrumental neutron activation analysis (INAA). The samples were taken from plants grown under two fertilizer dose conditions, making use of the following microminerals: Fe, Mn,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a37d2606382dcd665921dc620d5a32d1
https://doi.org/10.1023/a:1006742416021
https://doi.org/10.1023/a:1006742416021
Publikováno v:
Archives of Veterinary Science. 10
Methane is well known as a greenhouse effect intensifier. Ruminants, during the ruminal digestive fermentation process, transform carbohydrates available in the diet to volatile fatty acids, with production of carbon dioxide and methane. Therefore, r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66cb64e679f66750f5e9e12f31ef80f1
https://doi.org/10.5380/avs.v10i3.5122
https://doi.org/10.5380/avs.v10i3.5122