Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFLA |
Texto Completo: | http://repositorio.ufla.br/jspui/handle/1/28184 |
Resumo: | The increasing world population has led into big food and raw material demand, with high pressure on agriculture. In Brazil, potassium fertilizers are mostly imported rising interest on rocks and mining rejects as alternative sources. The objective of this work was to evaluate the effect of crushed rocks over mineral nutrition, yield and efficiency of potash fertilization in rice. The experiment was carried out under greenhouse conditions in pots with 3.7 kg of Oxisol soil samples. The experimental design was completely randomized, in a factorial layout 4 × 6, comprising six crushed rocks used as alternative multinutrient fertilizer (breccia, biotite schist, ultramafic, Chapada byproduct, mining byproduct and phlogopite), and four doses based on potassium (0, 200, 400, 600 kg K2O ha-1), with four replications. The concentration and accumulation of potassium, copper, zinc and nickel in rice shoot dry mass were determined. These data were used to evaluate the efficiency index of K-source rocks on fertilization. It was shown that crushed rocks promote alterations in mineral nutrition, grain yield and potassium use efficiency, remarking their potential to be used as alternative fertilizer in rice cropping systems. |
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Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocksAlternative nutrient sourceMicronutrientFertilization efficiencyPlant nutritionSoil conditionerThe increasing world population has led into big food and raw material demand, with high pressure on agriculture. In Brazil, potassium fertilizers are mostly imported rising interest on rocks and mining rejects as alternative sources. The objective of this work was to evaluate the effect of crushed rocks over mineral nutrition, yield and efficiency of potash fertilization in rice. The experiment was carried out under greenhouse conditions in pots with 3.7 kg of Oxisol soil samples. The experimental design was completely randomized, in a factorial layout 4 × 6, comprising six crushed rocks used as alternative multinutrient fertilizer (breccia, biotite schist, ultramafic, Chapada byproduct, mining byproduct and phlogopite), and four doses based on potassium (0, 200, 400, 600 kg K2O ha-1), with four replications. The concentration and accumulation of potassium, copper, zinc and nickel in rice shoot dry mass were determined. These data were used to evaluate the efficiency index of K-source rocks on fertilization. It was shown that crushed rocks promote alterations in mineral nutrition, grain yield and potassium use efficiency, remarking their potential to be used as alternative fertilizer in rice cropping systems.Academic Journals2017-11-28T17:23:36Z2017-11-28T17:23:36Z2014info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfSILVA, D. R. G. et al. Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks. African Journal of Agricultural Research, v. 9, n. 4, p. 455-464, Jan. 2014.http://repositorio.ufla.br/jspui/handle/1/28184African Journal of Agricultural Researchreponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLAAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessSilva, Douglas Ramos GuelfiSpehar, Carlos RobertoMarchi, GiulianoSoares, Danilo de AraújoCancellier, Eduardo LopesMartins, Éder de Souzaeng2017-11-28T17:23:36Zoai:localhost:1/28184Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2017-11-28T17:23:36Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false |
dc.title.none.fl_str_mv |
Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks |
title |
Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks |
spellingShingle |
Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks Silva, Douglas Ramos Guelfi Alternative nutrient source Micronutrient Fertilization efficiency Plant nutrition Soil conditioner |
title_short |
Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks |
title_full |
Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks |
title_fullStr |
Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks |
title_full_unstemmed |
Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks |
title_sort |
Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks |
author |
Silva, Douglas Ramos Guelfi |
author_facet |
Silva, Douglas Ramos Guelfi Spehar, Carlos Roberto Marchi, Giuliano Soares, Danilo de Araújo Cancellier, Eduardo Lopes Martins, Éder de Souza |
author_role |
author |
author2 |
Spehar, Carlos Roberto Marchi, Giuliano Soares, Danilo de Araújo Cancellier, Eduardo Lopes Martins, Éder de Souza |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Silva, Douglas Ramos Guelfi Spehar, Carlos Roberto Marchi, Giuliano Soares, Danilo de Araújo Cancellier, Eduardo Lopes Martins, Éder de Souza |
dc.subject.por.fl_str_mv |
Alternative nutrient source Micronutrient Fertilization efficiency Plant nutrition Soil conditioner |
topic |
Alternative nutrient source Micronutrient Fertilization efficiency Plant nutrition Soil conditioner |
description |
The increasing world population has led into big food and raw material demand, with high pressure on agriculture. In Brazil, potassium fertilizers are mostly imported rising interest on rocks and mining rejects as alternative sources. The objective of this work was to evaluate the effect of crushed rocks over mineral nutrition, yield and efficiency of potash fertilization in rice. The experiment was carried out under greenhouse conditions in pots with 3.7 kg of Oxisol soil samples. The experimental design was completely randomized, in a factorial layout 4 × 6, comprising six crushed rocks used as alternative multinutrient fertilizer (breccia, biotite schist, ultramafic, Chapada byproduct, mining byproduct and phlogopite), and four doses based on potassium (0, 200, 400, 600 kg K2O ha-1), with four replications. The concentration and accumulation of potassium, copper, zinc and nickel in rice shoot dry mass were determined. These data were used to evaluate the efficiency index of K-source rocks on fertilization. It was shown that crushed rocks promote alterations in mineral nutrition, grain yield and potassium use efficiency, remarking their potential to be used as alternative fertilizer in rice cropping systems. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014 2017-11-28T17:23:36Z 2017-11-28T17:23:36Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
SILVA, D. R. G. et al. Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks. African Journal of Agricultural Research, v. 9, n. 4, p. 455-464, Jan. 2014. http://repositorio.ufla.br/jspui/handle/1/28184 |
identifier_str_mv |
SILVA, D. R. G. et al. Yield, nutrient uptake and potassium use efficiency in rice fertilized with crushed rocks. African Journal of Agricultural Research, v. 9, n. 4, p. 455-464, Jan. 2014. |
url |
http://repositorio.ufla.br/jspui/handle/1/28184 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution 4.0 International http://creativecommons.org/licenses/by/4.0/ |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Academic Journals |
publisher.none.fl_str_mv |
Academic Journals |
dc.source.none.fl_str_mv |
African Journal of Agricultural Research reponame:Repositório Institucional da UFLA instname:Universidade Federal de Lavras (UFLA) instacron:UFLA |
instname_str |
Universidade Federal de Lavras (UFLA) |
instacron_str |
UFLA |
institution |
UFLA |
reponame_str |
Repositório Institucional da UFLA |
collection |
Repositório Institucional da UFLA |
repository.name.fl_str_mv |
Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA) |
repository.mail.fl_str_mv |
nivaldo@ufla.br || repositorio.biblioteca@ufla.br |
_version_ |
1784550040648286208 |