Critical phosphorus percentages in guineagrass growing in an Haplortox, soil and in a Typic Paleudult soil

Authors

  • Nelson Morato Ferraz Meirelles Instituto de Zootecnia, Divisão de Nutrição Animal e Pastagens, Setor de Ecologia das Pastagens, Nova Odessa, SP
  • Joaquim Carlos Werner Instituto de Zootecnia, Divisão de Nutrição Animal e Pastagens, Seção de Nutrição de Plantas Forrageiras, Nova Odessa, SP
  • Pedro Luís Guárdia Abramides Instituto de Zootecnia, Divisão de Nutrição Animal e Pastagens, Setor de Ecologia das Pastagens, Nova Odessa, SP
  • José Monteiro Carriel Instituto de Zootecnia, Divisão de Nutrição Animal e Pastagens, Seção de Nutrição de Plantas Forrageiras, Nova Odessa, SP
  • Valdinei Tadeu Paulino Instituto de Zootecnia, Divisão de Nutrição Animal e Pastagens, Seção de Nutrição de Plantas Forrageiras, Nova Odessa, SP
  • Maria Tereza Colozza Instituto de Zootecnia, Divisão de Nutrição Animal e Pastagens, Seção de Nutrição de Plantas Forrageiras, Nova Odessa, SP

Abstract

This experiment was carried out at the Instituto de Zootecnia. Nova Odessa, SP, in a greenhouse studying the addition of 0, 25, 50. 75, 100, 200, and 400 kg of P2051ha in an Haplortox soil from Andradina, SP and in a Typic Paleudult soil from Nova Odessa, SP, in a complete randomized block design with four replications. Critical phosphorus percentages in guineagrass was determined using youngest expanded leaves that showed to be the most appi-opriate part on that grass for diagnosis purposes. Critical phosphorus percentages in that part of the plant varied from 0.22 to 0.27% P for the first harvest and from 0.17 to 0.19% P for the second harvest for the Haplortox soil and from 0.16 to 0.18% P for the first harvestand from 0.16 to 0.19%P for the second harvest for the Typic Paleudult soil.

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Published

2014-01-29

Issue

Section

FORAGE CROPS AND PASTURES

How to Cite

Critical phosphorus percentages in guineagrass growing in an Haplortox, soil and in a Typic Paleudult soil. (2014). Bulletin of Animal Husbandry, 45(1), 215-232. http://bia.iz.sp.gov.br/index.php/bia/article/view/697

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