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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
23/06/2008 |
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Data da última atualização: |
12/04/2018 |
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Autoria: |
CASTRO, C. de; BRIGHENTI, A. M. |
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Afiliação: |
CESAR DE CASTRO, CNPSO; ALEXANDRE MAGNO BRIGHENTI DOS SANTOS, CNPSo. |
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Título: |
Compatibility of herbicides with boron fertilizers for weed desiccation and mineral nutrition of sunflower. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Helia, Novi Sad, v. 30, n. 47, p. 1-14, Dec. 2007. |
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ISSN: |
1018-1806 |
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Idioma: |
Inglês |
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Conteúdo: |
Two experiments were carried out to evaluate the efficiency of weed control by herbicides, applied singly or in combination with boron (B), and the response of sunflower ( Helianthus annuus L.) to fertilization with this micro-nutrient. Herbicides were applied to the plots whose sub-plots involved the presence or absence of 2 kg ha-1 of B, from two different sources (H3BO3-boric acid and Na2B8O13·4H2O - sodium borate) mixed with the herbicides. The combinations of the herbicides and boron, referentially from the source H3BO3, efficiently controlled the following weeds: wild poinsettia (Euphorbia heterophylla ), hairy beggarsticks ( Bidens subalternans ), and alexandergrass (Brachiaria plantaginea). The application of B in association with herbicides increased the content of this micronutrient in the soil and consequently in sunflower leaves. The combined application of herbicides and boric acid appears to be perfectly suitable for controlling weeds while increasing the mineral nutrition of sunflower. |
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Thesagro: |
Girassol; Herbicida. |
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Categoria do assunto: |
-- |
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Marc: |
null
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Embrapa Soja (CNPSO) |
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