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| Registros recuperados : 144 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
12/03/2020 |
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Data da última atualização: |
12/03/2020 |
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Autoria: |
SCHMIDT, F.; KNOBLAUCH, R. |
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Afiliação: |
Fabiana Schmidt, Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina - EMPASC/Estação Experimental de Campos Novos; Ronaldir Knoblauch, Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina - EMPASC/Estação Experimental de Itajaí. |
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Título: |
Extended use of poultry manure as a nutrient source for flood-irrigated rice crop. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, v. 55, e00708, 2020. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Uso prolongado de cama de aviário como fonte de nutrientes para cultura de arroz irrigado por inundação. |
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Conteúdo: |
The objective of this work was to evaluate changes in the soil chemical properties, nitrogen use efficiency, and grain yield of flood-irrigated rice fields after the addition of poultry manure during five years. Trials were carried out in a randomized complete block design, with three replicates. The treatments were: chemical fertilizers, N-P2O5-K2O; control, no fertilizers; and poultry manure doses, 2.5, 5.0, and 10.0 Mg ha-1. Poultry manure increased soil pH, base saturation, and phosphorus, potassium, calcium, and zinc contents more than the chemical fertilizers. Adding poultry manure to the soil increased N ammonification (35 mg kg-1 NH4 +-N) from the first to the fourth week after rice was sown. The exclusive use of poultry manure was not sufficient to provide adequate nutrition to rice plants after the decrease in NH4 +-N content in the soil. The cumulative N uptake by plants and rice yield were lower with poultry manure application than with the chemical fertilizers. Adding poultry manure to flood-irrigated rice fields for five years alters soil chemical properties, improves fertility, does not favor nitrogen use efficiency by rice plants, and promotes a lower grain yield than he chemical fertilizers. |
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Palavras-Chave: |
Organic fertilization. |
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Thesagro: |
Adubo Orgânico; Disponibilidade de Nutriente; Oryza Sativa. |
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Thesaurus NAL: |
Nutrient availability. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/211772/1/Extended-use-of-poultry-manure.pdf
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Marc: |
LEADER 01968naa a2200205 a 4500
001 2121183
005 2020-03-12
008 2020 bl uuuu u00u1 u #d
100 1 $aSCHMIDT, F.
245 $aExtended use of poultry manure as a nutrient source for flood-irrigated rice crop.$h[electronic resource]
260 $c2020
500 $aTítulo em português: Uso prolongado de cama de aviário como fonte de nutrientes para cultura de arroz irrigado por inundação.
520 $aThe objective of this work was to evaluate changes in the soil chemical properties, nitrogen use efficiency, and grain yield of flood-irrigated rice fields after the addition of poultry manure during five years. Trials were carried out in a randomized complete block design, with three replicates. The treatments were: chemical fertilizers, N-P2O5-K2O; control, no fertilizers; and poultry manure doses, 2.5, 5.0, and 10.0 Mg ha-1. Poultry manure increased soil pH, base saturation, and phosphorus, potassium, calcium, and zinc contents more than the chemical fertilizers. Adding poultry manure to the soil increased N ammonification (35 mg kg-1 NH4 +-N) from the first to the fourth week after rice was sown. The exclusive use of poultry manure was not sufficient to provide adequate nutrition to rice plants after the decrease in NH4 +-N content in the soil. The cumulative N uptake by plants and rice yield were lower with poultry manure application than with the chemical fertilizers. Adding poultry manure to flood-irrigated rice fields for five years alters soil chemical properties, improves fertility, does not favor nitrogen use efficiency by rice plants, and promotes a lower grain yield than he chemical fertilizers.
650 $aNutrient availability
650 $aAdubo Orgânico
650 $aDisponibilidade de Nutriente
650 $aOryza Sativa
653 $aOrganic fertilization
700 1 $aKNOBLAUCH, R.
773 $tPesquisa Agropecuária Brasileira$gv. 55, e00708, 2020.
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Embrapa Unidades Centrais (AI-SEDE) |
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