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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: |
BLACK, A. L.; WIGHT, I. R. |
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Título: |
Nitrogen and phosphorus availability in a fertilized rangeland ecosystem of the northern great plains. |
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Ano de publicação: |
1972 |
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Fonte/Imprenta: |
Journal of Range Management, v. 25, n. 6, p. 456-460, Nov. 1972. |
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Idioma: |
Inglês |
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Conteúdo: |
Factorial combinations of ammonium nitrate at rates of 0, 100, 300, and 900 lb. N/acre and concentrated super-phosphate at rates of 0, 100, and 200 lb. P/acre were broadcast on a native range site (a Bouteloua-Carex-[Sti~al faciation of a mixed prairie association) near Sidney, Montana. In 2 years, the addition of a high rate of N and P fertilizer increased total forage production 3.3fold, total crude protein 6.7-fold, and plant N and P percentages about 2.0- fold. High rates of N applied alone had no marked effect on plant P percentage the year of application, but plant P percentage was reduced nearly 2.0-fold the second year by all rates of N. Nitrate-nitrogen was concentrated in the upper 3 feet of soil in 1969 and in the upper 5 feet of soil in 1970. Nearly all of the P fertilizer applied was concentrated in the upper 3 inches of soil in 1969 and in the upper 6 inches of soil in 1970. The high rate of N applied alone decreased soil pH from about 6.9 to 6.1 in the 0- to 6-inch soil depth in 1969 and from 6.9 to 6.5 in 1970 even though the soil was strongly calcareous. |
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Palavras-Chave: |
Adubacao mineral; adubacao quimica. |
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Thesagro: |
Nitrogênio; Pastagem. |
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Thesaurus Nal: |
Ammonium nitrate; Forage production; Nitrogen fertilizers; Plant nutrition; Rangelands; Superphosphate. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01841naa a2200253 a 4500
001 1520906
005 2023-05-10
008 1972 bl uuuu u00u1 u #d
100 1 $aBLACK, A. L.
245 $aNitrogen and phosphorus availability in a fertilized rangeland ecosystem of the northern great plains.$h[electronic resource]
260 $c1972
520 $aFactorial combinations of ammonium nitrate at rates of 0, 100, 300, and 900 lb. N/acre and concentrated super-phosphate at rates of 0, 100, and 200 lb. P/acre were broadcast on a native range site (a Bouteloua-Carex-[Sti~al faciation of a mixed prairie association) near Sidney, Montana. In 2 years, the addition of a high rate of N and P fertilizer increased total forage production 3.3fold, total crude protein 6.7-fold, and plant N and P percentages about 2.0- fold. High rates of N applied alone had no marked effect on plant P percentage the year of application, but plant P percentage was reduced nearly 2.0-fold the second year by all rates of N. Nitrate-nitrogen was concentrated in the upper 3 feet of soil in 1969 and in the upper 5 feet of soil in 1970. Nearly all of the P fertilizer applied was concentrated in the upper 3 inches of soil in 1969 and in the upper 6 inches of soil in 1970. The high rate of N applied alone decreased soil pH from about 6.9 to 6.1 in the 0- to 6-inch soil depth in 1969 and from 6.9 to 6.5 in 1970 even though the soil was strongly calcareous.
650 $aAmmonium nitrate
650 $aForage production
650 $aNitrogen fertilizers
650 $aPlant nutrition
650 $aRangelands
650 $aSuperphosphate
650 $aNitrogênio
650 $aPastagem
653 $aAdubacao mineral
653 $aadubacao quimica
700 1 $aWIGHT, I. R.
773 $tJournal of Range Management$gv. 25, n. 6, p. 456-460, Nov. 1972.
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| 12. |  | SOUSA, M. A. F.; SOUZA, C. W.; REIS, R. B.; EIRA, M. T. S.; FRANÇA DANTAS, M. S. Grau de umidade e conservação de sementes de Coffea arábica. In: ENCONTRO DO TALENTO ESTUDANTIL DA EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA, 6., 2001, Brasília, DF. Anais: resumos dos trabalhos. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2001. p. 75.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 17. | | FRANCA DANTAS, M. S.; ANDRADE, R. P. de; GROF, B.; ALMEIDA, S. P. de; SILVA, J. C. S.; PERES, J. R. R.; NASSER, L. C. B.; SHARMA, R. D.; VILELA, L.; ALVES, R. T.; CORADIN, L.; VALLS, J. F. M. Caracterizacao e avaliacao de germoplasma de plantas forrageiras. In: EMBRAPA. Centro de Pesquisa Agropecuaria dos Cerrados (Planaltina, DF). Relatorio tecnico anual do Centro de Pesquisa Agropecuaria dos Cerrados 1985/1987. Planaltina, 1991. p.230-233.| Biblioteca(s): Embrapa Cerrados. |
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| 18. | | BARCELLOS, A. de O.; LEITE, G. G.; VILELA, L.; HUTTON, E. M.; SOUZA, F. B.; ANDRADE, R. P. de; ZOBY, J. L. F.; FRANCA DANTAS, M. S.; SOUZA, M. A. de; KARIA, C. T. Recomendações para a formação e utilização de pastagens de capim vencedor. Planaltina: EMBRAPA-CPAC, 1990. 6p. (EMBRAPA-CPAC. Comunicado Tecnico, 58).| Biblioteca(s): Embrapa Cerrados. |
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| Registros recuperados : 18 | |
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