2009
DOI: 10.1590/s1516-35982009000900006
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Perfilhamento, acúmulo de forragem e composição bromatológica do capim-braquiária adubado com nitrogênio

Abstract: RESUMO -Avaliaram-se a demografia de perfilhos, a composição morfológica do pasto, o índice de área foliar (IAF), a taxa de acúmulo de massa seca de forragem (TAcMS) e os teores de proteína bruta, fibra em detergente neutro e lignina e os coeficientes de digestibilidade in vitro da massa seca de Brachiaria decumbens cv. Basilisk submetido a adubação nitrogenada (75, 150, 225 e 300 kg/ha.ano de N), em lotação contínua com taxa de lotação variável em dois anos agrícolas consecutivos. O delineamento foi em blocos… Show more

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Cited by 52 publications
(42 citation statements)
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“…This is potentially explained by the accumulation of this component in swards since the onset of the assessment (January). Moreover, tissue turnover is higher during the hot and rainy season (summer); thus, both tiller survival and mortality are accelerated (Moreira et al, 2009). However, the tendency for dead plant material mass accumulation is higher at the beginning of the fall because leaf and tiller growth becomes limited by environmental conditions such as temperature and radiation.…”
Section: Resultsmentioning
confidence: 99%
“…This is potentially explained by the accumulation of this component in swards since the onset of the assessment (January). Moreover, tissue turnover is higher during the hot and rainy season (summer); thus, both tiller survival and mortality are accelerated (Moreira et al, 2009). However, the tendency for dead plant material mass accumulation is higher at the beginning of the fall because leaf and tiller growth becomes limited by environmental conditions such as temperature and radiation.…”
Section: Resultsmentioning
confidence: 99%
“…In the other periods, the highest number of tillers was obtained when the forage plants were fertilized (Table 3). Many studies are available in the literature demonstrating the efficiency of fertilization in increasing the number of tillers in forage species (Moreira et al, 2009;Santos et al, 2007;Coutinho et al, 2014;Dias et al, 2015).…”
Section: Resultsmentioning
confidence: 99%
“…It is noteworthy the indirect effect of nitrogen on tiller mortality in the pasture (AUDA et al, 1966), triggering a stronger competition for nutrients in general, which stimulates the turnover of tissues, as observed by Moreira et al (2009), leading to the death of older tillers, which will contribute with the appearance of new ones through the remobilization of nutrients.…”
Section: Resultsmentioning
confidence: 99%