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- W2890957128 abstract "RESUMO: Originario da America do Norte, o girassol, Helianthus annus L., e uma dicotiledonea anual, adaptada as mais diversas condicoes edafoclimaticas, cultivada em todos os continentes. No Nordeste Brasileiro, tem-se buscado estabelecer praticas de cultivo do girassol que permitam viabilizar sua exploracao sob tecnicas racionais e economicas, principalmente, por ser uma planta de grande exigencia nutricional. Nesse sentido objetivou-se com o presente trabalho conhecer o desenvolvimento fenologico do girassol Helianthus annuus L., em diferentes tipos de tratamentos com esterco animal. O experimento foi realizado em casa de vegetacao situada na Universidade Estadual de Alagoas-UNEAL Campus I no periodo de outubro de 2016 a janeiro de 2017, o delineamento experimental foi inteiramente casualizado com quatro tratamentos (solo com esterco bovino, solo com esterco caprino, solo com esterco aviario e solo sem esterco) e cinco repeticoes. De acordo com os resultados obtidos constatou-se que houve um bom indice de germinacao das sementes de girassol – IG com 95%. Os resultados demonstraram que, nao houve diferenca significativa no desenvolvimento fenologico das plantas de girassol cultivadas nos diferentes tipos tratamento com esterco animal ricos em materia orgânica, levando em conta a comparacao com os girassois cultivados em solo sem esterco. O girassol teve um bom desenvolvimento com os fertilizantes naturais, e os substratos utilizados possibilitou observar que esse desenvolvimento foi o resultado de material rico em materia orgânica e nutrientes necessarios a planta. PALAVRAS-CHAVE: Dicotiledonea, Germinacao, Materia orgânica. ABSTRACT: Originally from North America, the sunflower, Helianthus annus L., is an annual dicotyledon, adapted to the most diverse edaphoclimatic conditions, cultivated in all the continents. In the Northeast of Brazil, it has been tried to establish practices of sunflower cultivation that allow its exploitation under rational and economic techniques, mainly because it is a plant of great nutritional requirement. The objective of this work was to know the phenological development of the sunflower Helianthus annuus L. in different types of animal manure treatments. The experiment was carried out in a greenhouse located at the State University of Alagoas- UNEAL Campus I from October 2016 to January 2017, the experimental design was completely randomized with four treatments (soil with bovine manure, soil with goat manure, soil with manure and soil without manure) and five replicates. According to the results obtained it was verified that there was a good germination index of the seeds of sunflower - GI with 95%. The results showed that there was no significant difference in the phenological development of sunflower plants grown in the different types of organic manure rich in animal manure, considering the comparison with sunflowers grown in soil without manure. The sunflower had a good development with the natural fertilizers, and the substrates used allowed to observe that this development was the result of material rich in organic matter and nutrients necessary to the plant.KEYWORD: Dicotyledoneous, germination, organic matter." @default.
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- W2890957128 date "2018-09-02" @default.
- W2890957128 modified "2023-09-27" @default.
- W2890957128 title "Análise da fenologia do Girassol Helianthus annuus L. variedade anão" @default.
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- W2890957128 doi "https://doi.org/10.17648/diversitas-journal-v3i2.602" @default.
- W2890957128 hasPublicationYear "2018" @default.
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