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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/08/1992 |
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Data da última atualização: |
10/05/2023 |
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Autoria: |
READ, D. W. L.; WENKLEMAN, G. E. |
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Título: |
Residual effects of nitrogen and phosphorus fertilizer on crested wheatgrass under Semiarid conditions. |
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Ano de publicação: |
1982 |
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Fonte/Imprenta: |
Canadian Journal of Plant Science, v. 62, p. 415-425, 1982. |
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Idioma: |
Inglês |
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Conteúdo: |
Rates of 0, 50, 100, 400 and 800 kg N/ha, with and wirhout 44 kg p/ha, were broadcast on old stands of crested wheatgrass on two soils in southwestern Saskatchewan. There was a pool of residual N developed in the soil under the 400- and 800-kg treatments which lasted for up to 10 yr. The yield and N content of the forage was increased by the residual N when moisture was adequate. In a clay loam there was no indication that any N rnoved down beyond 120 cm in the soii; most of it was held in the 30-90 cm depths. on the sandy loam soil there may have been some movement beyond 120 cm. Even from the lower rates of N application, where there was no pool of residual mineral N, the yields have been consistentlv slightly higher than from the check plots, indicating a possible slow release of N from the biomass. Phosphorus remained available for the l0 yr. The recovery rates for N ranged from 977o to 22Ta , and for p they were 5l7a and 6lro oI the applied nutrient. |
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Palavras-Chave: |
Adubacao mineral. |
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Thesagro: |
Fósforo; Nutriente; Pastagem; Recuperação do Solo. |
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Thesaurus Nal: |
Agropyron cristatum; Forage grasses; Grazing; Land restoration; Nitrogen fertilizers; Phosphorus fertilizers; Saskatchewan; Semiarid soils. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 01819naa a2200289 a 4500
001 1522038
005 2023-05-10
008 1982 bl uuuu u00u1 u #d
100 1 $aREAD, D. W. L.
245 $aResidual effects of nitrogen and phosphorus fertilizer on crested wheatgrass under Semiarid conditions.$h[electronic resource]
260 $c1982
520 $aRates of 0, 50, 100, 400 and 800 kg N/ha, with and wirhout 44 kg p/ha, were broadcast on old stands of crested wheatgrass on two soils in southwestern Saskatchewan. There was a pool of residual N developed in the soil under the 400- and 800-kg treatments which lasted for up to 10 yr. The yield and N content of the forage was increased by the residual N when moisture was adequate. In a clay loam there was no indication that any N rnoved down beyond 120 cm in the soii; most of it was held in the 30-90 cm depths. on the sandy loam soil there may have been some movement beyond 120 cm. Even from the lower rates of N application, where there was no pool of residual mineral N, the yields have been consistentlv slightly higher than from the check plots, indicating a possible slow release of N from the biomass. Phosphorus remained available for the l0 yr. The recovery rates for N ranged from 977o to 22Ta , and for p they were 5l7a and 6lro oI the applied nutrient.
650 $aAgropyron cristatum
650 $aForage grasses
650 $aGrazing
650 $aLand restoration
650 $aNitrogen fertilizers
650 $aPhosphorus fertilizers
650 $aSaskatchewan
650 $aSemiarid soils
650 $aFósforo
650 $aNutriente
650 $aPastagem
650 $aRecuperação do Solo
653 $aAdubacao mineral
700 1 $aWENKLEMAN, G. E.
773 $tCanadian Journal of Plant Science$gv. 62, p. 415-425, 1982.
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| 2. |  | FERNANDES, C. P. C.; BRAZ, A. J. B. P.; PROCOPIO, S. de O.; DAN, H. de A.; BRAZ, G. B. P.; BARROSO, A. L. de L.; MENEZES, C. C. E. de; SIMON, G. A.; BRAZ, L. B. P. Tolerância do feijoeiro a herbicidas aplicados na cultura da cana-de-açúcar. Revista Brasileira de Herbicidas, v. 10, n. 2, p. 121-133, mai./ago. 2011.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 4 |
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| 3. | | FERNANDES, C. P. C.; BRAZ, A. J. B. P.; PROCOPIO, S. de O.; DAN, H. de A.; BRAZ, G. B. P.; BARROSO, A. L. de L.; MENEZES, C. C. E.; SIMON, G. A.; BRAZ, L. B. P. Seletividade de herbicidas aplicados em pré e pós-emergência na cultura da cana-de-açúcar ao feijão-de-corda. Global Science and Technology, Rio Verde, v. 5, n. 2, p. 9-23, mai/ago. 2012.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 5 |
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| 4. | | FERNANDES, C. P. C.; BRAZ, A. J. B. P.; PROCOPIO, S. de O.; DAN, H. de A.; BRAZ, G. B. P.; BARROSO, A. L. de L.; MENEZES, C. C. E. de; SIMON, G. A.; BRAZ, L. B. P. Seletividade de herbicidas registrados para uso em pré e pós-emergência na cultura da cana-de-açúcar ao feijoeiro-comum. Revista Trópica - Ciências Agrárias e Biológicas, v. 6, n. 2, p. 8-21, 2012.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 5 |
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