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Registro Completo |
Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
22/12/1997 |
Data da última atualização: |
05/01/2022 |
Tipo da produção científica: |
Folder/Folheto/Cartilha |
Autoria: |
CORREA, L. de A. |
Afiliação: |
LUCIANO DE ALMEIDA CORREA, CPPSE. |
Título: |
Manejo intensivo de pastagen de capim-coastcross. |
Ano de publicação: |
2000 |
Fonte/Imprenta: |
São Carlos: Embrapa Pecuária Sudeste, 2000. |
Páginas: |
4 p. |
Idioma: |
Português |
Palavras-Chave: |
Capim-coastcross; Manejo intesivo; Pasture grass. |
Thesagro: |
Gramínea; Pastagem. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/147068/1/FD05-Manejo-intensivo-de-pastagem-de-capim-croastcross.pdf
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Marc: |
LEADER 00472nam a2200169 a 4500 001 1044009 005 2022-01-05 008 2000 bl uuuu u0uu1 u #d 100 1 $aCORREA, L. de A. 245 $aManejo intensivo de pastagen de capim-coastcross.$h[electronic resource] 260 $aSão Carlos: Embrapa Pecuária Sudeste$c2000 300 $a4 p. 650 $aGramínea 650 $aPastagem 653 $aCapim-coastcross 653 $aManejo intesivo 653 $aPasture grass
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Embrapa Pecuária Sudeste (CPPSE) |
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Registro Completo
Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
28/09/2022 |
Data da última atualização: |
22/01/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
VALLE, S. F.; GIROTO, A. S.; DOMBINOV, V.; ROBLES-AGUILAR, A. A.; JABLONOWSKI, N. D.; RIBEIRO, C. |
Afiliação: |
CAUE RIBEIRO DE OLIVEIRA, CNPDIA. |
Título: |
Struvite-based composites for slow-release fertilization: a case study in sand. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
ScientifIc Reports, v. 12, e14176, 2022. |
Páginas: |
14 p. |
ISSN: |
2045-2322 |
DOI: |
https://doi.org/10.1038/s41598-022-18214-8 |
Idioma: |
Inglês |
Conteúdo: |
Struvite (St) recovered from wastewaters is a sustainable option for phosphorus (P) recovery and fertilization, whose solubility is low in water and high in environments characterized by a low pH, such as acidic soils. To broaden the use of struvite in the feld, its application as granules is recommended, and thus the way of application should be optimized to control the solubility. In this study struvite slow release fertilizers were designed by dispersing St particles (25, 50, and 75 wt%) in a biodegradable and hydrophilic matrix of thermoplastic starch (TPS). It was shown that, in citric acid solution (pH= 2), TPS promoted a steadier P-release from St compared to the pure St pattern. In a pH neutral sand, P-difusion from St-TPS fertilizers was slower than from the positive control of triple superphosphate (TSP). Nevertheless, St-TPS featured comparable maize growth (i.e. plant height, leaf area, and biomass) and similar available P as TSP in sand after 42 days of cultivation. These results indicated that St-TPS slow P release could provide enough P for maize in sand,achieving a desirable agronomic efciency while also reducing P runof losses in highly permeable soils |
Palavras-Chave: |
Low PH; Nevertheless; Permeable soils. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1146947/1/p-Struvite8209based-composites.pdf
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Marc: |
LEADER 01908naa a2200253 a 4500 001 2146947 005 2024-01-22 008 2022 bl uuuu u00u1 u #d 022 $a2045-2322 024 7 $ahttps://doi.org/10.1038/s41598-022-18214-8$2DOI 100 1 $aVALLE, S. F. 245 $aStruvite-based composites for slow-release fertilization$ba case study in sand.$h[electronic resource] 260 $c2022 300 $a14 p. 520 $aStruvite (St) recovered from wastewaters is a sustainable option for phosphorus (P) recovery and fertilization, whose solubility is low in water and high in environments characterized by a low pH, such as acidic soils. To broaden the use of struvite in the feld, its application as granules is recommended, and thus the way of application should be optimized to control the solubility. In this study struvite slow release fertilizers were designed by dispersing St particles (25, 50, and 75 wt%) in a biodegradable and hydrophilic matrix of thermoplastic starch (TPS). It was shown that, in citric acid solution (pH= 2), TPS promoted a steadier P-release from St compared to the pure St pattern. In a pH neutral sand, P-difusion from St-TPS fertilizers was slower than from the positive control of triple superphosphate (TSP). Nevertheless, St-TPS featured comparable maize growth (i.e. plant height, leaf area, and biomass) and similar available P as TSP in sand after 42 days of cultivation. These results indicated that St-TPS slow P release could provide enough P for maize in sand,achieving a desirable agronomic efciency while also reducing P runof losses in highly permeable soils 653 $aLow PH 653 $aNevertheless 653 $aPermeable soils 700 1 $aGIROTO, A. S. 700 1 $aDOMBINOV, V. 700 1 $aROBLES-AGUILAR, A. A. 700 1 $aJABLONOWSKI, N. D. 700 1 $aRIBEIRO, C. 773 $tScientifIc Reports$gv. 12, e14176, 2022.
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Embrapa Instrumentação (CNPDIA) |
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