Amélioration des pâturages. Le Brachiaria brizantha
نویسندگان
چکیده
منابع مشابه
Microsporogenesis in Brachiaria brizantha (Poaceae) as a selection tool for breeding.
The genus Brachiaria comprises more than 100 species and is the single most important genus of forage grass in the tropics. Brachiaria brizantha, widely used in Brazilian pastures for beef and dairy production, is native to tropical Africa. As a subsidy to the breeding program underway in Brazil, cytological studies were employed to determine the chromosome number and to evaluate microspo...
متن کاملIngestive Behavior of Heifers Supplemented with Glycerin in Substitution of Corn on Brachiaria brizantha Pasture
The objective was to evaluate the ingestive behavior of crossbred heifers finished on a Brachiaria brizantha cv. Marandu pasture receiving four levels of glycerin in their supplementation. Thirty-six crossbred heifers with average initial weight of 264.83±3.83 kg and 20 months of age were distributed into a completely randomized design with four treatments and nine replications: control (0%), 4...
متن کاملTiller density and tillering on Brachiaria brizantha cv. Marandu pastures inoculated with Azospirillum brasilense
The objective of this study is to verify the population density and the dynamics of tillering in the Marandu palisade grass sward subjected to nitrogen (N) fertilization strategies, characterized by the N supply via urea or bacterial inoculant (Azospirillum brasilense). The treatments comprised of four nitrogen fertilization strategies: (A) Without fertilization, (B) 80 kg N/ha, (C) inoculant (...
متن کاملMorphogenetic characteristics of three Brachiaria brizantha cultivars submitted to nitrogen fertilization.
This study aims to evaluate the morphogenetic characteristics of three cultivars of Brachiaria brizantha subjected to nitrogen fertilization. The design was a randomized block in factorial arrangement 4x3; three cultivars of B. brizantha - Marandu, Piatã, Xaraés and four nitrogen levels - 0, 80, 160 and 240 kg/ha, with three replications. The experimental units consisted of plastic pots filled ...
متن کاملAmélioration des indicateurs techniques pour l'analyse du marché financier
Résumé. La technique des motifs fréquents a été utilisée pour améliorer le pouvoir prédictif des stratégies quantitatives. Innovant dans le contexte des marchés financiers, notre méthode associe une signature aux configurations de marché fréquentes. Un système de « trading » automatique sélectionne les meilleures signatures par une procédure de « back testing » itérative et les utilise en combi...
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ژورنال
عنوان ژورنال: Revue d’élevage et de médecine vétérinaire des pays tropicaux
سال: 1966
ISSN: 1951-6711,0035-1865
DOI: 10.19182/remvt.7410