2012
DOI: 10.1590/s1516-35982012000200006
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Espécies forrageiras para produção de leite em solos de várzea

Abstract: RESUMO -Objetivou-se com este trabalho avaliar a disponibilidade de forragem, a composição morfológica e química do pasto, a capacidade de suporte do pasto e a produção de leite de vacas em três gramíneas forrageiras sob lotação contínua e taxa variável em solo de várzea. O delineamento experimental foi inteiramente casualizado com três tratamentos e três repetições. Os tratamentos constituíram-se das gramíneas Paspalum atratum cv. Pojuca, Brachiaria humidicola cv. Llanero e capim-tangola, híbrido natural de B… Show more

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Cited by 6 publications
(8 citation statements)
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“…Schmitt et al [25] reported that herbage morphological and chemical composition in the canopy upper half does not change within a range of pre-grazing heights, provided moderate levels of defoliations (up to 50%) are used. Finally, the unexpected higher CP content can be a consequence of: (i) an excessive accumulation of non-protein N, which could have overestimate CP or (ii) since tangolagrass presents short leaves it would require less thick-walled structures (e.g., midrib; [2].…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Schmitt et al [25] reported that herbage morphological and chemical composition in the canopy upper half does not change within a range of pre-grazing heights, provided moderate levels of defoliations (up to 50%) are used. Finally, the unexpected higher CP content can be a consequence of: (i) an excessive accumulation of non-protein N, which could have overestimate CP or (ii) since tangolagrass presents short leaves it would require less thick-walled structures (e.g., midrib; [2].…”
Section: Discussionmentioning
confidence: 99%
“…Like other brachiariagrasses, it also has a greater herbage production capacity, tolerates marginal soil fertility conditions, and is resistant to trampling. Accordingly, tangolagrass is considered an alternative to forming permanent tropical grasslands in marginal areas, especially those intermittently affected by flooding or waterlogging [1,2]. Despite its advantages, data about both primary productivity and management targets for this species are still scarce.…”
Section: Introductionmentioning
confidence: 99%
“…A produtividade de forragem foi a variável resposta que apresentou maior variação entre os experimentos, com oscilações de 287,2 kg ha -1 a 5.902,03 kg ha -1 no experimento E1 e de 289,5 kg ha -1 a 2.750,67 kg ha -1 no E2. Esses resultados mostram que o desempenho do capim U. humidicola, em rendimento de forragem, foi favorecido no solo encharcado, demonstrando sua adaptação satisfatória em solos de várzea (QUEIROZ et al, 2012).…”
Section: Expunclassified
“…In the first three periods, CP was higher than 700 g/kg DM, which is the lower limit to sustain microbial growth and support efficient fibrous carbohydrate digestion in rumen (Lazzarini et al, 2009), however, at the end of the experiment (85-102 d) dropped to 616 g/kg DM, this might have a negative effect on forage intake (Milford & Minson, 1966). The decrease of CP concentration, probably was due to the leaf fraction decrease, since CP content in the leaves is greater than stems (Queiroz et al, 2012). In addition, CP concentration in plants is the result of nitrogen uptake which is greatly determined by water availability (Allahdadi & Bahreininejad, 2019).…”
Section: Biomass and Structural And Chemical Analysismentioning
confidence: 99%