<b>Green fertilization effect, associated to NPK doses, in sunflower crop in two sowing systems</b> - DOI: 10.4025/actasciagron.v27i4.1702

  • Vilson Wendt UEM
  • Leonardo Theodoro Büll Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Botucatu.
  • Juliano Corulli Corrêa UNESP
  • Carlos Alexandre Costa Crusciol UNESP

Abstract

The aim of this research was to evaluate the winter green fertilization effects related to three rates of NPK, in sunflower crop under prepared method, through agronomical characteristics of grain yield and components. The experimental design was split plot, with four replications. The number of each plot represented the preparation method (tillage and no-tillage), the sub-plot represented the winter green fertilization (black oat and spontaneous vegetation) related to three rates of NPK (00-00-00; 10-45-45 e 20-90-90 kg ha-1). The tillage and no-tillage systems did not affect the agronomical characteristics, nor grain yield and components in sunflower crop. The green fertilization improved sunflower growth, grain yield and edible oil. The fertilization with black oat caused a decrease in the mineral fertilizer dose in the sunflower crop and higher development and average length of the radicular system.

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Author Biography

Leonardo Theodoro Büll, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Botucatu.
Atualmente é Diretor e Professor Titular da Faculdade de Ciências Agronômicas da Universidade Estadual Paulista Júlio de Mesquita Filho - UNESP. Possui graduação (1978) em Agronomia pela UNESP, mestrado (1983) e doutorado (1986) em Solos e Nutrição de Plantas pela Universidade de São Paulo - USP, livre docência (1991) em Fertilidade do Solo pela UNESP. Tem experiência na área de Agronomia, com ênfase em Fertilidade do Solo, Nutrição e Adubação de Plantas Cultivadas, atuando principalmente nos seguintes temas: equilíbrio catiônico no solo e na planta, eficiência agronômica de fertilizantes fosfatados e uso de resíduos industriais e urbanos na agricultura Currículo Lattes
Published
2008-04-07
How to Cite
Wendt, V., Büll, L. T., Corrêa, J. C., & Crusciol, C. A. C. (2008). <b>Green fertilization effect, associated to NPK doses, in sunflower crop in two sowing systems</b&gt; - DOI: 10.4025/actasciagron.v27i4.1702. Acta Scientiarum. Agronomy, 27(4), 617-621. https://doi.org/10.4025/actasciagron.v27i4.1702
Section
Crop Production

 

2.0
2019CiteScore
 
 
60th percentile
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2.0
2019CiteScore
 
 
60th percentile
Powered by  Scopus