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Registro Completo |
Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
03/10/2005 |
Data da última atualização: |
03/10/2005 |
Autoria: |
SANTOS, H. S.; PERIN, W. H.; TITATO, L. G.; VIDA, J. B.; CALLEGARI, O. |
Título: |
Avaliacao de sistemas de conducao em relacao a severidade de doencas e a producao do tomateiro. |
Ano de publicação: |
1999 |
Fonte/Imprenta: |
Acta Scientiarum, Maringa, v. 21, n. 3, p. 453-457, sept. 1999. |
Idioma: |
Português |
Palavras-Chave: |
desnsidade de plantio; Doenca; Lycopersicon esculentum; POda; Tomate; Tutoramento. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00655naa a2200229 a 4500 001 1040317 005 2005-10-03 008 1999 bl uuuu u00u1 u #d 100 1 $aSANTOS, H. S. 245 $aAvaliacao de sistemas de conducao em relacao a severidade de doencas e a producao do tomateiro. 260 $c1999 653 $adesnsidade de plantio 653 $aDoenca 653 $aLycopersicon esculentum 653 $aPOda 653 $aTomate 653 $aTutoramento 700 1 $aPERIN, W. H. 700 1 $aTITATO, L. G. 700 1 $aVIDA, J. B. 700 1 $aCALLEGARI, O. 773 $tActa Scientiarum, Maringa$gv. 21, n. 3, p. 453-457, sept. 1999.
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Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
10/11/2020 |
Data da última atualização: |
10/11/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - A |
Autoria: |
GIROTO, A. S.; VALLE, S. F.; GUIMARAES, G. G. F.; MOLINA, A.; REIS, H. P. G.; FERNANDES, D. M.; BERNARDI, A. C. C.; MATTOSO, L. H. C.; RIBEIRO, C. |
Título: |
Tailoring Efficient Materials for NPK All-in-One Granular Fertilization. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Industrial & Engineering Chemistry Research, Washington, DC, v. 59, p. 18387-18395, 2020. |
Idioma: |
Inglês |
Conteúdo: |
Food security is one of the biggest challenges for the next few decades, especially with the accelerated population growth rates. Therefore, achieving a better nutrient use efficiency is crucial to enhance crop yields and productivity, which depend directly on how macronutrients are supplied. It is notably complex because fertilizers are often applied as granules instead of more soluble powdered forms. Here, we propose a new model for an allin-one NPK fertilizer production, which allows quickly adjustable compositions in multi-nutrient granules. Thus, thermoplastic starch has been used as a biodegradable matrix binder mixed with the fertilizers in a continuous process by extrusion. Urea and KCl were considered as N and K sources, respectively. P sources with different solubilities (triple superphosphate (TSP) and Bayovar and Patos phosphate rocks) have been tested and compared. The greenhouse experiment revealed that the TSP composite promoted superior biomass production than the standard application, in addition to an overall better nutrient uptake. While Bayovar did not benefit from the all-in-one granule, Patos results were improved in this system, revealing a boost in its solubilization. |
Palavras-Chave: |
Composites; Controlled-Release; greenhouse experiments; NPK fertilizer. |
Categoria do assunto: |
W Química e Física |
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Marc: |
LEADER 02020naa a2200265 a 4500 001 1130137 005 2020-11-10 008 2020 bl uuuu u00u1 u #d 100 1 $aGIROTO, A. S. 245 $aTailoring Efficient Materials for NPK All-in-One Granular Fertilization.$h[electronic resource] 260 $c2020 520 $aFood security is one of the biggest challenges for the next few decades, especially with the accelerated population growth rates. Therefore, achieving a better nutrient use efficiency is crucial to enhance crop yields and productivity, which depend directly on how macronutrients are supplied. It is notably complex because fertilizers are often applied as granules instead of more soluble powdered forms. Here, we propose a new model for an allin-one NPK fertilizer production, which allows quickly adjustable compositions in multi-nutrient granules. Thus, thermoplastic starch has been used as a biodegradable matrix binder mixed with the fertilizers in a continuous process by extrusion. Urea and KCl were considered as N and K sources, respectively. P sources with different solubilities (triple superphosphate (TSP) and Bayovar and Patos phosphate rocks) have been tested and compared. The greenhouse experiment revealed that the TSP composite promoted superior biomass production than the standard application, in addition to an overall better nutrient uptake. While Bayovar did not benefit from the all-in-one granule, Patos results were improved in this system, revealing a boost in its solubilization. 653 $aComposites 653 $aControlled-Release 653 $agreenhouse experiments 653 $aNPK fertilizer 700 1 $aVALLE, S. F. 700 1 $aGUIMARAES, G. G. F. 700 1 $aMOLINA, A. 700 1 $aREIS, H. P. G. 700 1 $aFERNANDES, D. M. 700 1 $aBERNARDI, A. C. C. 700 1 $aMATTOSO, L. H. C. 700 1 $aRIBEIRO, C. 773 $tIndustrial & Engineering Chemistry Research, Washington, DC$gv. 59, p. 18387-18395, 2020.
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