Evaluation of elephant grass (Pennisetum purpureum, Schum) cultivars

Santana, J.R. de; Moreno, R.M.A.; Arruda, N.G.; Pereira, J.M.; Moreira, E.M.

Informe de Pesquisas de 1983, Comissao Executiva do Plano da Lavoura Cacaueira: 277-280


Accession: 001589429

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In field trials in Ilheus, Itaju do Colonia and Porto Seguro, P. purpureum cv. Cameroon, Mineiro and Napier de Goias were sown in rows 80 cm apart, given 100 kg N, 50 kg P2O5 and 60 kg K2O/ha and cut to a height of 0, 15 or 30 cm at intervals of 4, 8 or 12 weeks. DM yields increased and CP content decreased as cutting interval increased. At a cutting interval of 4 weeks the best DM yields were given by cutting to 15 or 30 cm; at cutting intervals of 8 or 12 weeks, cutting to 0 or 15 cm gave the highest DM yields. At Ilheus and Porto Seguro the recommended cutting intervals were 8 and 12 weeks, resp. Highest and lowest av. DM yields occurred at Ilheus and Porto Seguro, resp.