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| 8. |  | SANTOS, R. B.; OLIVEIRA, C. R. de. Estudo da liberação controlada de defensivos agrícolas utilizando carvão ativado. In: WORKSHOP DA REDE DE NANOTECNOLOGIA APLICADA AO AGRONEGÓCIO, 7.; ESCOLA DE NANOTECNOLOGIA, 3., 2013, São Carlos, SP. Anais... São Carlos, SP: Embrapa Instrumentação, 2013. p. 398-400 Editores: Maria Alice Martins, Odílio Benedito Garrido de Assis, Caue Ribeiro, Luiz Henrique Capparelli Mattoso. CD-ROM. Editores: Maria Alice Martins, Odílio Benedito Garrido de Assis, Caue Ribeiro, Luiz Henrique Capparelli Mattoso.| Biblioteca(s): Embrapa Instrumentação. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Instrumentação; Embrapa Pecuária Sudeste. |
|
Data corrente: |
30/03/2022 |
|
Data da última atualização: |
31/03/2022 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
B - 1 |
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Autoria: |
BERNARDI, A. C. de C.; OLIVEIRA, C. R. de. |
|
Afiliação: |
ALBERTO CARLOS DE CAMPOS BERNARDI, CPPSE; CAUE RIBEIRO DE OLIVEIRA, CNPDIA. |
|
Título: |
Improved alfalfa phosphate utilization using zeolite amendments in low pH soil. |
|
Ano de publicação: |
2022 |
|
Fonte/Imprenta: |
Journal of Soil Science and Plant Nutrition, v.21, 2021. |
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Páginas: |
p.1307-1317. |
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DOI: |
https://doi.org/10.1007/s42729-021-00441-z |
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Idioma: |
Inglês |
|
Conteúdo: |
Soil amendments are used to increase the solubility of phosphate rocks (PRs) such that they can supply phosphorus (P) to high Pdemanding crops. Zeolites are naturally occurring aluminosilicate minerals that can solubilize PRs and increase P nutrient supply.
This study sought to evaluate the effects of zeolite addition in PR mixtures in dry matter yield (DMY), nutrient accumulation, and
alfalfa?s agronomic efficiency. The experiment was conducted in a greenhouse where treatments comprised of two zeolites types
(clinoptilolite and stilbite), three P sources (triple superphosphate-TSP, Morocco PR, and Cajati PR), five P levels (0, 22, 44, 87,
and 131 mg kg−1
), and five zeolites ratios (w/w) based on P2O5 levels (0, 25, 50, 100, and 200%). Eleven cuts of alfalfa were
taken to quantify DMY and P accumulation. Alfalfa dry matter yield and P accumulation increased due to P fertilization. Reactive
PR (Morocco) was more effective than TSP to increase alfalfa DMY and P accumulation. Phosphorus levels in soil did not
increase with reactive PR (Morocco) fertilization and zeolite amendment. Zeolite stilbite just increased P solubilization and
accumulation by alfalfa plants in a 150?200% ratio (zeolite/PR) with the low-reactive PR (Cajati). Under this experiment?s
conditions, zeolite was not an efficient amendment combined with P soluble and reactive PR sources to increase alfalfa DM yield
and P accumulation. Large amounts of zeolite were necessary to provide the low-efficiency PR source solubilization to satiate
alfalfa P demand MenosSoil amendments are used to increase the solubility of phosphate rocks (PRs) such that they can supply phosphorus (P) to high Pdemanding crops. Zeolites are naturally occurring aluminosilicate minerals that can solubilize PRs and increase P nutrient supply.
This study sought to evaluate the effects of zeolite addition in PR mixtures in dry matter yield (DMY), nutrient accumulation, and
alfalfa?s agronomic efficiency. The experiment was conducted in a greenhouse where treatments comprised of two zeolites types
(clinoptilolite and stilbite), three P sources (triple superphosphate-TSP, Morocco PR, and Cajati PR), five P levels (0, 22, 44, 87,
and 131 mg kg−1
), and five zeolites ratios (w/w) based on P2O5 levels (0, 25, 50, 100, and 200%). Eleven cuts of alfalfa were
taken to quantify DMY and P accumulation. Alfalfa dry matter yield and P accumulation increased due to P fertilization. Reactive
PR (Morocco) was more effective than TSP to increase alfalfa DMY and P accumulation. Phosphorus levels in soil did not
increase with reactive PR (Morocco) fertilization and zeolite amendment. Zeolite stilbite just increased P solubilization and
accumulation by alfalfa plants in a 150?200% ratio (zeolite/PR) with the low-reactive PR (Cajati). Under this experiment?s
conditions, zeolite was not an efficient amendment combined with P soluble and reactive PR sources to increase alfalfa DM yield
and P accumulation. Large amounts of zeolite were necessary to provide the low-efficiency PR ... Mostrar Tudo |
|
Palavras-Chave: |
Clinoptilolite; Phosphate rock; Stilbite. |
|
Thesagro: |
Medicago Sativa. |
|
Categoria do assunto: |
--
P Recursos Naturais, Ciências Ambientais e da Terra |
|
Marc: |
LEADER 02185naa a2200205 a 4500
001 2141663
005 2022-03-31
008 2022 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s42729-021-00441-z$2DOI
100 1 $aBERNARDI, A. C. de C.
245 $aImproved alfalfa phosphate utilization using zeolite amendments in low pH soil.$h[electronic resource]
260 $c2022
300 $ap.1307-1317.
520 $aSoil amendments are used to increase the solubility of phosphate rocks (PRs) such that they can supply phosphorus (P) to high Pdemanding crops. Zeolites are naturally occurring aluminosilicate minerals that can solubilize PRs and increase P nutrient supply. This study sought to evaluate the effects of zeolite addition in PR mixtures in dry matter yield (DMY), nutrient accumulation, and alfalfa?s agronomic efficiency. The experiment was conducted in a greenhouse where treatments comprised of two zeolites types (clinoptilolite and stilbite), three P sources (triple superphosphate-TSP, Morocco PR, and Cajati PR), five P levels (0, 22, 44, 87, and 131 mg kg−1 ), and five zeolites ratios (w/w) based on P2O5 levels (0, 25, 50, 100, and 200%). Eleven cuts of alfalfa were taken to quantify DMY and P accumulation. Alfalfa dry matter yield and P accumulation increased due to P fertilization. Reactive PR (Morocco) was more effective than TSP to increase alfalfa DMY and P accumulation. Phosphorus levels in soil did not increase with reactive PR (Morocco) fertilization and zeolite amendment. Zeolite stilbite just increased P solubilization and accumulation by alfalfa plants in a 150?200% ratio (zeolite/PR) with the low-reactive PR (Cajati). Under this experiment?s conditions, zeolite was not an efficient amendment combined with P soluble and reactive PR sources to increase alfalfa DM yield and P accumulation. Large amounts of zeolite were necessary to provide the low-efficiency PR source solubilization to satiate alfalfa P demand
650 $aMedicago Sativa
653 $aClinoptilolite
653 $aPhosphate rock
653 $aStilbite
700 1 $aOLIVEIRA, C. R. de
773 $tJournal of Soil Science and Plant Nutrition$gv.21, 2021.
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