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Registro Completo |
Biblioteca(s): |
Embrapa Cerrados; Embrapa Hortaliças. |
Data corrente: |
20/10/1998 |
Data da última atualização: |
17/06/2008 |
Autoria: |
VASCONCELLOS, H. de O.; ALMEIDA, D. L. de; LEAL, N. R.; BRAGA NETO, M. |
Título: |
Competicao de cultivares de batata-doce (Ipomoea batatas Lam) no municipio de Vassouras-RJ. |
Ano de publicação: |
1986 |
Fonte/Imprenta: |
Itaguai: PESAGRO-Rio, 1986. |
Páginas: |
3p. |
Série: |
(PESAGRO. Comunicado Tecnico, 163). |
Idioma: |
Português |
Palavras-Chave: |
Batata-doce; Brasil; Competition; Cultivar; Rio de Janeiro; Vassouras. |
Thesagro: |
Batata Doce; Competição de Variedade; Ipomoea Batatas. |
Thesaurus Nal: |
Brazil; sweet potatoes; varieties. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00820nam a2200301 a 4500 001 1561882 005 2008-06-17 008 1986 bl uuuu u0uu1 u #d 100 1 $aVASCONCELLOS, H. de O. 245 $aCompeticao de cultivares de batata-doce (Ipomoea batatas Lam) no municipio de Vassouras-RJ. 260 $aItaguai: PESAGRO-Rio$c1986 300 $a3p. 490 $a(PESAGRO. Comunicado Tecnico, 163). 650 $aBrazil 650 $asweet potatoes 650 $avarieties 650 $aBatata Doce 650 $aCompetição de Variedade 650 $aIpomoea Batatas 653 $aBatata-doce 653 $aBrasil 653 $aCompetition 653 $aCultivar 653 $aRio de Janeiro 653 $aVassouras 700 1 $aALMEIDA, D. L. de 700 1 $aLEAL, N. R. 700 1 $aBRAGA NETO, M.
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![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Semiárido. Para informações adicionais entre em contato com cpatsa.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
19/01/2024 |
Data da última atualização: |
19/01/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
ARAÚJO, C. de A.; ARAUJO, G. G. L. de; NOVAES, J. J. da S.; CAMPOS, F. S.; LIMA, D. O.; BORGES, E. N.; GOIS, G. C.; SILVA, C. de S.; SILVA, T. G. F. da; SÁ, J. M. de. |
Afiliação: |
CLEYTON DE ALMEIDA ARAÚJO, Univasf; GHERMAN GARCIA LEAL DE ARAUJO, CPATSA; JUDICAEL JANDERSON DA SILVA NOVAES, Univasf; FLEMING SENA CAMPOS, Federal Rural University of Pernambuco, Serra Talhada, PE; DENESON OLIVEIRA LIMA, Univasf; ELIZÂNGELA NUNES BORGES, Univasf; GLAYCIANE COSTA GOIS, Univasf; CRISLANE DE SOUZA SILVA, Univasf; THIERES GEORGE FREIRE DA SILVA, Federal Rural University of Pernambuco, Serra Talhada, PE; JOSÉ MANOEL DE SÁ, Univasf. |
Título: |
Influence of cactus pear cultivation density on the physicochemical characteristics of the soil. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Soil and Tillage Research, v. 232, 105771, Aug. 2023. |
DOI: |
https://doi.org/10.1016/j.still.2023.105771 |
Idioma: |
Inglês |
Conteúdo: |
The objective was to evaluate the effect of the planting density of cactus pear cv. Mexican elephant ear under soil physical and chemical properties. Four planting densities were tested: 30,000, 45,000, 60,000 and 75,000 plants distributed in a randomised block design with four replications. After 360 days of cultivation, soil samples were taken in different profiles (0.0–0.10, 0.10–0.20, 0.20–0.30 and 0.30–0.40 m). The physical–chemical analysis included soil density, particle density, porosity, pH, electrical conductivity (EC), phosphorus (P), potassium (K+), sodium (Na+), calcium (Ca2+), magnesium (Mg2+), copper (Cu2+), iron (Fe2+), manganese (Mn2+), zinc (Zn2+), exchangeable acidity (H+Al), sums of bases (SB), cation exchange capacity and base saturation (V). The results were tested using analysis of variance, regression at 5% probability and principal component analysis (PCA). Physical properties along the soil profile and soil chemical properties in the 0–0.10 m profile were not altered (P > 0.05) by the density. There was a decreasing linear effect (P < 0.05) of density on the P content in the 0.10–0.20, 0.20–0.30 and 0.30–0.40 m profiles. Mg, Zn and V in the 0.10–0.20 m profile and Ca in the 0.30–0.40 m profile decreased linearly (P < 0.05) as a function of density. There was an increasing linear effect (P < 0.05) of planting density on Fe in the 0.20–0.30 m profile. The PCA showed that the factor loadings of the chemical properties of the soil in the different profiles were greater than 75% in the first two components. Except for the 0–0.10 m profile, with 55.77%. Minerals that contributed most to PC were Ca, K, P, Mg and Mn. In this sense, increasing the planting density of cactus pear without the use of fertiliser demands more from the soil, recommending lower densities between 30,000 and 45,000 plants ha−1. MenosThe objective was to evaluate the effect of the planting density of cactus pear cv. Mexican elephant ear under soil physical and chemical properties. Four planting densities were tested: 30,000, 45,000, 60,000 and 75,000 plants distributed in a randomised block design with four replications. After 360 days of cultivation, soil samples were taken in different profiles (0.0–0.10, 0.10–0.20, 0.20–0.30 and 0.30–0.40 m). The physical–chemical analysis included soil density, particle density, porosity, pH, electrical conductivity (EC), phosphorus (P), potassium (K+), sodium (Na+), calcium (Ca2+), magnesium (Mg2+), copper (Cu2+), iron (Fe2+), manganese (Mn2+), zinc (Zn2+), exchangeable acidity (H+Al), sums of bases (SB), cation exchange capacity and base saturation (V). The results were tested using analysis of variance, regression at 5% probability and principal component analysis (PCA). Physical properties along the soil profile and soil chemical properties in the 0–0.10 m profile were not altered (P > 0.05) by the density. There was a decreasing linear effect (P < 0.05) of density on the P content in the 0.10–0.20, 0.20–0.30 and 0.30–0.40 m profiles. Mg, Zn and V in the 0.10–0.20 m profile and Ca in the 0.30–0.40 m profile decreased linearly (P < 0.05) as a function of density. There was an increasing linear effect (P < 0.05) of planting density on Fe in the 0.20–0.30 m profile. The PCA showed that the factor loadings of the chemical properties of the soil in the different profi... Mostrar Tudo |
Palavras-Chave: |
Componente edáfica; Macronutrientes; Orelha de elefante mexicana. |
Thesagro: |
Cálcio; Palma Forrageira. |
Thesaurus NAL: |
Cactus pears; Calcium; Opuntia stricta. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 02890naa a2200337 a 4500 001 2161086 005 2024-01-19 008 2023 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.still.2023.105771$2DOI 100 1 $aARAÚJO, C. de A. 245 $aInfluence of cactus pear cultivation density on the physicochemical characteristics of the soil.$h[electronic resource] 260 $c2023 520 $aThe objective was to evaluate the effect of the planting density of cactus pear cv. Mexican elephant ear under soil physical and chemical properties. Four planting densities were tested: 30,000, 45,000, 60,000 and 75,000 plants distributed in a randomised block design with four replications. After 360 days of cultivation, soil samples were taken in different profiles (0.0–0.10, 0.10–0.20, 0.20–0.30 and 0.30–0.40 m). The physical–chemical analysis included soil density, particle density, porosity, pH, electrical conductivity (EC), phosphorus (P), potassium (K+), sodium (Na+), calcium (Ca2+), magnesium (Mg2+), copper (Cu2+), iron (Fe2+), manganese (Mn2+), zinc (Zn2+), exchangeable acidity (H+Al), sums of bases (SB), cation exchange capacity and base saturation (V). The results were tested using analysis of variance, regression at 5% probability and principal component analysis (PCA). Physical properties along the soil profile and soil chemical properties in the 0–0.10 m profile were not altered (P > 0.05) by the density. There was a decreasing linear effect (P < 0.05) of density on the P content in the 0.10–0.20, 0.20–0.30 and 0.30–0.40 m profiles. Mg, Zn and V in the 0.10–0.20 m profile and Ca in the 0.30–0.40 m profile decreased linearly (P < 0.05) as a function of density. There was an increasing linear effect (P < 0.05) of planting density on Fe in the 0.20–0.30 m profile. The PCA showed that the factor loadings of the chemical properties of the soil in the different profiles were greater than 75% in the first two components. Except for the 0–0.10 m profile, with 55.77%. Minerals that contributed most to PC were Ca, K, P, Mg and Mn. In this sense, increasing the planting density of cactus pear without the use of fertiliser demands more from the soil, recommending lower densities between 30,000 and 45,000 plants ha−1. 650 $aCactus pears 650 $aCalcium 650 $aOpuntia stricta 650 $aCálcio 650 $aPalma Forrageira 653 $aComponente edáfica 653 $aMacronutrientes 653 $aOrelha de elefante mexicana 700 1 $aARAUJO, G. G. L. de 700 1 $aNOVAES, J. J. da S. 700 1 $aCAMPOS, F. S. 700 1 $aLIMA, D. O. 700 1 $aBORGES, E. N. 700 1 $aGOIS, G. C. 700 1 $aSILVA, C. de S. 700 1 $aSILVA, T. G. F. da 700 1 $aSÁ, J. M. de 773 $tSoil and Tillage Research$gv. 232, 105771, Aug. 2023.
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