st. augustinegrass sod production subjected nitrogen rates
produção de tapetes de grama santo agostinho submetida a doses de nitrogênio

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ID: 168236
2012
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Abstract
Nitrogen is the nutrient that provides the greatest turfgrass growth responses and the adequate nitrogen fertilization can provide sod formation in less time and firm to be handled after harvest. This study aimed to evaluate the effect of nitrogen levels in the formation of St. Augustinegrass sod. The experiment was conducted in a sod production farm in Itapetininga, SP. The experimental design was a randomized blocks with four replications. The treatments consisted of five N doses: 0, 150, 300, 450 and 600 kg ha-1, split into three applications. Increased levels of nitrogen affected the soil cover rate by the St. Augustinegrass reducing the time for sod formation. The leaf N concentration and intensity of green grass were influenced by nitrogen doses, and with the rate of green coverage (TCV) of soil, can be used to assist in the recommendation of N doses. Rate of 430 kg ha-1 of N provided the production of St. Augustinegrass sod resistant the harvest and transport, within ten months.

O nitrogênio é o nutriente que proporciona as maiores respostas no crescimento das gramas e a adubação nitrogenada adequada pode proporcionar a formação do tapete em menor tempo e firme para ser manuseado após a colheita. O experimento foi realizado em fazenda de produção de grama, em Itapetininga, SP, em Latossolo Vermelho distrófico de textura muito argilosa. Os tratamentos foram constituídos por cinco doses de N: 0, 150, 300, 450 e 600 kg ha-1, divididos em três aplicações. O aumento das doses de N influenciou a taxa de cobertura do solo pela grama Santo Agostinho reduzindo o tempo para formação do tapete. A concentração de N na folha e a intensidade da cor verde da grama foram influenciadas pelas doses de N, e juntamente com a taxa de cobertura verde (TCV) do solo, podem ser utilizadas para auxiliar na recomendação deste nutriente. Dose de 430 kg ha-1 de N proporcionaram a produção de tapetes de grama Santo Agostinho resistentes à colheita e ao transporte, no período de dez meses.

Reference Key
bas2012semina:st. Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Roberto Lyra Villas Bôas;Leandro José Grava de Godoy;Clarice Backes
Journal frontiers in neuroendocrinology
Year 2012
DOI
10.5433/1679-0359.2012v33n5p1703
URL
http://www.uel.br/revistas/uel/index.php/semagrarias/article/view/7789
Keywords
Agriculture (General) stenotaphrum secundatum kuntze

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