Adubação nitrogenada e modos de disponibilização de micronutrientes na produção de milho verde

Autores/as

  • Ítalo Marques de Sousa IFPI
  • Disraeli Reis da Rocha
  • Cleyton Saialy Medeiros Cunha
  • Iuna Carmo Ribeiro Gonçalves
  • José Igor Almeida Castro

DOI:

https://doi.org/10.30969/acsa.v13i1.762

Palabras clave:

Zea mays L. Espigas Verdes. Adubação Nitrogenada

Resumen

O trabalho foi conduzido no primeiro semestre do ano de 2015, em uma área experimental do colégio Técnico de Teresina-PI (CTT), da Universidade Federal do Piauí (UFPI), e teve o objetivo deste trabalho foi avaliar o desempenho da cultivar de milho (Zea mays) AG-1051, para produção de milho verde submetida a seis doses de nitrogênio (0,40, 80, 120, 160, 200 kg ha-1), e três modos de disponibilização de micronutrientes (micronutrientes do solo, adubação foliar, adubação de semeadura). Utilizou-se o delineamento experimental em bloco ao acaso, em esquema fatorial 6 x 3. As doses de nitrogênio 160 e 200 Kg ha-1 promoveram maiores rendimentos para número de espigas comerciais de milho. A disponibilização de micronutrientes as plantas de milho via adubação de semeadura foi a forma mais eficiente para promover número de espigas comerciais. As doses 160 e 200 Kg N ha-1 foram as que promoveram a maior porcentagem do número de espigas comerciais. Adubação de foliar foi a mais eficiente forma de disponibilização de micronutrientes para promover incrementos na porcentagem do número de espigas comerciais.

Biografía del autor/a

  • Ítalo Marques de Sousa, IFPI
    Departamento de Ciências do Solo

Referencias

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2017-06-09

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