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Registros recuperados: 22
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Amostragem para análise foliar de videira. Infoteca-e
SILVA, D. J.; FARIA, C. M. B. de.
bitstream/CPATSA/8135/1/COT68.pdf
Tipo: Comunicado Técnico (INFOTECA-E) Palavras-chave: Amostra; Grape; Leaf analysis; Sample.; Uva; Adubação; Análise Foliar.; Grapes.
Ano: 1997 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/133292
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Application of nitrogen sources on grapevines and effect on yield and must composition Rev. Bras. Frutic.
Brunetto,Gustavo; Ceretta,Carlos Alberto; Melo,George Wellington Bastos de; Girotto,Eduardo; Ferreira,Paulo Ademar Avelar.
This study was carried out to evaluate the yield, total N content in leaves and must composition of grapes from the Cabernet Sauvignon variety subjected to the application of urea and organic compost. Cabernet Sauvignon grapevines in Rosário do Sul, RS, Brazil, in 2008, 2009 and 2010 were subjected to annual application of 40 kg N ha-1 in the form of organic compost and urea, and compared to unfertilized grapevines. In the 2008/09, 2009/10 and 2010/11 crop seasons, leaves were collected for analysis of total N content. At maturation of the grapes, the yield and quality attributes of the must were evaluated. The application of N sources, especially organic compost, increased the N content in the whole leaf at full flowering. Application of organic compost...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Urea; Organic compost; Leaf analysis; Must quality; Vitis vinifera.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452013000400015
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Beaufils ranges to assess the cotton nutrient status in the southern region of Mato Grosso Rev. Bras. Ciênc. Solo
Serra,Ademar Pereira; Marchetti,Marlene Estevão; Rojas,Enrique Pouyú; Vitorino,Antônio Carlos Tadeu.
The relationships between nutrient contents and indices of the Diagnosis and Recommendation Integrated System (DRIS) are a useful basis to determine appropriate ranges for the interpretation of leaf nutrient contents. The purpose of this study was to establish Beaufils ranges from statistical models of the relationship between foliar concentrations and DRIS indices, generated by two systems of DRIS norms - the F value and natural logarithm transformation - and assess the nutritional status of cotton plants, based on these Beaufils ranges. Yield data from plots (average acreage 100 ha) and foliar concentrations of macro and micronutrients of cotton (Gossypium hirsutum r. latifolium) plants, in the growing season 2004/2005, were stored in a database. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mineral nutrition; Gossypium hirsutum r. latifolium; Leaf analysis; DRIS.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832012000100018
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Boundary Line Model to Estimate the Nutrient Sufficiency Range in Muskmelon Leaves Rev. Bras. Ciênc. Solo
Maia,Celsemy Eleutério; Morais,Elis Regina Costa de.
ABSTRACT: The boundary line is a method frequently used to assess the nutritional status of plants when the relationship between the variables under analysis is influenced by other interacting factors. The objective of this study was to propose and test the boundary line model to estimate the nutrient sufficiency range and nutritional status of irrigated muskmelon. The lower and upper limits of the sufficiency range were calculated as a basis for assessment of the nutritional status of muskmelon. Leaf material was collected from 70 muskmelon crop areas in northern Brazil. The nutrient (N, P, K, Ca, Mg, S, Fe, Zn, Mn, B, and Cu) concentrations in the leaf tissue and the respective fruit yield of each area were measured. The proposed model to estimate the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Modeling; Nutritional evaluation; Leaf analysis.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832016000100553
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Diagnose foliar e recomendação de adubação para lavouras comerciais. Infoteca-e
WADT, P. G. S..
A pesquisa agropecuária brasileira tem proporcionado, nos últimos 20 anos, importantes avanços no desenvolvimento de técnicas de avaliação do estado nutricional das plantas para o manejo dos sistemas de adubação. Essas técnicas possibilitam uma nova abordagem para o desenvolvimento de sistemas de recomendação de adubação de nutrientes destinados às culturas agrícolas, nos quais o monitoramento nutricional passa a ser um fator decisivo, substituindo a necessidade de condução de ensaios de calibração de adubação por longos períodos e em diferentes locais. Este trabalho apresenta o referencial teórico e prático relacionado ao método do potencial de resposta à adubação, o qual permite utilizar a interpretação do estado nutricional das lavouras na recomendação...
Tipo: Documentos (INFOTECA-E) Palavras-chave: Lavoura comercial; Leaf analysis; Análisis foliar; Normas DRIS; Rendimiento de los cultivos; Sistema integrado de formulación evaluación y monitoreo.; Análisis estadístico; Explotación de venta directa; Fertilidad del suelo; Fertilizantes; Nutrición de las plantas; Nutrição vegetal; Lavoura; Estado nutricional; Análise foliar; Adubação; Fertilidade do solo; Rendimento; Análise estatística; Método estatístico; Plant nutrition; Commercial farms; Crop yield; Fertilizers; Soil fertility; Statistical analysis; Diagnosis and Recommendation Integrated System..
Ano: 2012 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/993571
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DRIS Norms for grafted and non-grafted red bell pepper in semi arid climate conditions in a greenhouse Horticultura Brasileira
Sánchez,Esteban; Soto-Parra,Juan Manuel; Preciado-Rangel,Pablo; Llanderal,Alfonso; Lao,María Teresa.
ABSTRACT The objective of this study was to compute and compare DRIS norms for grafted and non-grafted red bell pepper crops grown in semi arid climate conditions. DRIS norms were computed with 84 samples of first young mature leaves collected during developed stage. The experiment had a completely randomized block design, and the values obtained for each plant and each variable were considered as independent replicates. Thirty-two DRIS norms nutrient ratios and coefficients of variation (CV) were computed from N, P, K, Ca, Mg, Fe, Cu, Zn and Mn analytical results. The ratios P/N and K/N in grafted and non-grafted pepper plants, showed low CV and therefore may play a fundamental role in crop production according with the DRIS norms calculated, since as...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Capsicum annuum; Diagnostic and Recommendation Integrated System; Foliar diagnostic; Leaf analysis; Nutrient ratio; Macronutrients.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362018000300371
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Estado nutricional dos coqueirais de Sergipe. Infoteca-e
SOBRAL, L. F..
Durante os meses de novembro de 1986 a fevereiro de 1987, foram efetuadas coletas de amostras de folha e solo em 26 propriedades dos litorais Norte de Sul de Sergipe. Nas propriedades, foram escolhidas areas uniformes e representativas de onde foram coletadas 35 amostras da folha 14. Cada amostra constou de 10 plantas. Observou-se que 82,9% das amostras da folha apresentaram teor de N< 1,8%, portanto deficientes. Embora o teor de P no solo fosse baixo (82,8% dos casos), apenas, 34, 3% das amostras da folha apresentaram teor de P< 0,120 %. Em 65,7% das msotras, o potassio foi deficiente. Confirmando os baixos teores de calcio do solo, 40,0% das amostras da folha apresentaram-se abaixo de 0,300% enquanto que nenhuma amostra mostrou-se abaixo do valor...
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) Palavras-chave: Coqueiro; Coconut; Leaf analysis; Brasil; Sergipe.; Adubação Foliar; Cocos Nucifera; Cultivo Perene; Nutrição.; Plant nutrition..
Ano: 1989 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/357089
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Estimation of leaf area index in the sunflower as a function of thermal time1 Rev. Ciênc. Agron.
Lucas,Dioneia Daiane Pitol; Heldwein,Arno Bernardo; Hinnah,Fernando Dill; Maldaner,Ivan Carlos; Loose,Luis Henrique.
The aim of this study was to obtain a mathematical model for estimating the leaf area index (LAI) of a sunflower crop as a function of accumulated thermal time. Generating the models and testing their coefficients was carried out using data obtained from experiments carried out for different sowing dates in the crop years of 2007/08, 2008/09, 2009/10 and 2010/11 with two sunflower hybrids, Aguará 03 and Hélio 358. Linear leaf dimensions were used for the non-destructive measurement of the leaf area, and thermal time was used to quantify the biological time. With the data for accumulated thermal time (TTa) and LAI known for any one day after emergence, mathematical models were generated for estimating the LAI. The following models were obtained, as they...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Helianthus annuus; Leaf analysis; Modelling.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902015000200404
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Faixas de suficiência para interpretação dos teores de nutrientes foliares em pimenta-longa (Piper hispidinervum) - primeira aproximação. Infoteca-e
WADT, P. G. S.; SILVA, L. M. da; CATANI, V.; FELISBERTO, F. A. V..
Neste trabalho são apresentadas indicações para a amostragem foliar e primeira aproximação para critérios de interpretação dos teores dos nutrientes em folhas de plantas de pimenta-longa.
Tipo: Circular Técnica (INFOTECA-E) Palavras-chave: Leaf analysis; Análisis foliar; Faixa de suficiência; Primeira aproximação; Estatus nutricional; Nutrición de las plantas.; Piper hispidinervum.; Nutrição vegetal; Estado nutricional; Análise foliar; Pimenta longa; Piper longum.; Nutritional status; Plant nutrition.
Ano: 2012 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1039333
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Fruit yield and composition in orange trees cv. 'Lane Late' in response to nitrogen fertilization in Sandy Typic Hapludalf soil Ciência Rural
Brunetto,Gustavo; Cella,Cesar; Miotto,Alcione; Girotto,Eduardo; Lorensini,Felipe; Brackmann,Auri; Ceretta,Carlos Alberto; Schorr,Márcio Renan Weber; Both,Vanderlei; Ambrosini,Vítor Gabriel.
ABSTRACT: Little is known about the impact of N fertilization on fruit production and composition in orange groves grown in soils with low or medium organic matter content in Rio Grande do Sul (RS). This study aimed to evaluate how N fertilization of orange trees cv. 'Lane Late' in a sandy soil may interfere in fruit yield and composition of fruit and juice. The experiment was conducted with orange trees cv. 'Lane Late' growing in Sandy Typic Hapludalf soil, in Rosário do Sul (RS). The plants received applications of 0, 20, 40, 60, 80, 100, 120, 140 and 160kg N ha-1. Total N in leaves, number of fruits per plant, yield, fresh weight, fruit diameter, peel thickness, percentage of fruit juice, peel color, juice color, ascorbic acid content, total soluble...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nitrogen; Leaf analysis; Fruit quality; Citrus sinensis L.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000300253
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‘FUJI’ APPLE TREE RESPONSE TO PHOSPHORUS FERTILIZATION Rev. Bras. Frutic.
NAVA,GILBERTO; CIOTTA,MARLISE NARA; BRUNETTO,GUSTAVO.
ABSTRACT The aim of this work was to evaluate the effects of orchard fertilization with increasing rates of phosphorus (P) on yield and critical levels of P in the soil and in the leaf of ‘Fuji’ apple trees. The experiment was conducted in São Joaquim, state of Santa Catarina, southern Brazil, from 2010 to 2015, in an Inceptisol soil. The three apple orchards were planted in 2004 with the Fuji cultivar grafted on Marubakaido/ M9 rootstock and grown under a high-plant-density system (1984 trees ha-1). Annual fertilizer levels of 0, 40, 80, 120 and 160 kg ha-1 of P2O5 (as triple superphosphate) were applied to the soil surface, without incorporation, in a randomized block design with five replicates. In the first and last years (2011 and 2015), soil samples...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Malus domestica Borkh; Yield; Critical level; Leaf analysis.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452017000103001
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INFLUENCE OF CITRUS LEPROSIS ON THE MINERAL COMPOSITION OF Citrus sinensis LEAVES Scientia Agricola
Nogueira,N. de L.; Rodrigues,J.C.V.; Cabral,C.P.; Prates,H.S..
Citrus leprosis is the main viral disease affecting citrus in Brazil. Viral diseases can affect the mineral composition of citrus leaves, inducing mineral deficiencies. The aim of this work was to verify the influence of citrus leprosis on the mineral composition of citrus leaves, cultivar Pera. Orange seedlings were grown in pots containing sterile soil, and kept under greenhouse conditions. When plants had 15 to 20 leaves, they were infested with the mite Brevipalpus phoenicis, the leprosis vector, collected from infected citrus plants. Other plants were not infested, and were used as the control. Ninety days after infestation, all the infested plants presented leprosis lesions. The six upper leaves of each plant were collected and the determination of...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Citrus; Leprosis; Mineral composition; Leaf analysis.
Ano: 1996 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90161996000200026
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Leaf nutrient contents of rangpur lime rootstock as afected by N, P, K, Ca and S fertilization Scientia Agricola
Ruschel,Jonas; Carmello,Quirino Augusto de Camargo; Bernardi,Alberto Carlos de Campos; Carvalho,Sérgio Alves de; Mattos Jr.,Dirceu.
Analysis of leaf nutrient contents can demonstrate plant nutritional status, identify symptoms of deficiency and toxicity, and evaluate the need to adjust fertilization programs. This research determined N:P:K:Ca:S rates for optimal nutrition of Rangpur lime - RL (Citrus limonia Osb.) rootstock, in an experiment arranged in a fractional factorial design of the (¹/25) 5(4) type, with 25 treatments distributed within five blocks. Seedlings of RL were transplanted into 3.8-dm³ containers filled with commercial growing media, when plant height = 10 cm, in a nursery. Treatments consisted of the following nutrient rates (g per plant): N = 0.31, 0.62, 1.25, 2.5 and 5; K = 0.4, 0.62, 1.25, 2.5 and 5; P = 0.35, 1.0, 2.0, 3.0 and 4.0; and Ca = 3.5, 5.0, 6.0, 7.0 and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Citrus limonia; Mineral nutrition; Leaf analysis; Response surface.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162004000500007
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Nitrogen fertilization of Cabernet Sauvignon grapevines: yield, total nitrogen content in the leaves and must composition Agronomy
Lorensini, Felipe; Ceretta, Carlos Alberto; Lourenzi, Cledimar Rogério; De Conti, Lessandro; Tiecher, Tadeu Luis; Trentin, Gustavo; Brunetto, Gustavo.
Grapevines grown on sandy soils are subjected to the application of supplemental nitrogen (N); however, there is little information available regarding the impact of these applications on yield, plant nutritional state and must composition. The aim of this study was to evaluate the yield, nutritional state and must composition of grapevines subjected to N fertilization. Cabernet Sauvignon grapevines were subjected to annual applications of 0, 10, 15, 20, 40, 80 and 120 kg N ha-1 in 2008, 2009 and 2010. During the 2008/09, 2009/10 and 2010/11 harvest seasons, leaves were collected during full flowering and when the berries changed color, and the total N content was analyzed. The grape yield and the enological characteristics of the must were evaluated. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.00.00.00-4 5.01.00.00-9 5.01.01.00-5 urea; Leaf analysis; Yield components; Vitis vinifera 5.01.01.05-6 urea; Leaf analysis; Yield components; Vitis vinifera 5.01.01.05-6.
Ano: 2015 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/19354
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Normas DRIS multivariadas para avaliação do estado nutricional de Pimenta-Longa. Infoteca-e
WADT, P. G. S.; SILVA, L. M. da; CATANI, V..
O gênero Piper contém mais de mil espécies que se distribuem no sub-bosque e na vegetação secundária de ?orestas tropicais, principalmente na Ásia e América Tropical (WADT et al., 2004). Na Amazônia Sul-Ocidental o gênero Piper também é abundante, destacando-se entre as espécies conhecidas a pimenta-longa (P. hispidinervum), cujo principal produto comercial é o safrol. Sua produtividade depende da produção de biomassa, do teor de óleo essencial na biomassa e do teor de safrol no óleo essencial. Em condições naturais, a variabilidade do teor de safrol no óleo essencial é baixa, com coe? ciente de variação de 2,58% (MIRANDA, 2001). No outro extremo, a produção de biomassa tem variado sob diferentes condições experimentais de 799 kg ha-1 (SILVA et al., 2001)...
Tipo: Circular Técnica (INFOTECA-E) Palavras-chave: Normas DRIS; Leaf analysis; Análisis foliar; Sistema integrado de formulación evaluación y monitoreo.; Análisis estadístico; Estatus nutricional; Fertilidad del suelo; Nutrición de las plantas; Nutrição vegetal; Pimenta longa; Piper hispidinervum; Estado nutricional; Análise foliar; Adubação; Fertilidade do solo; Análise estatística; Método estatístico; Plant nutrition; Nutritional status; Soil fertility; Statistical analysis; Diagnosis and Recommendation Integrated System..
Ano: 2012 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1004590
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Nutritional contents in Myrciaria dubia plants in function of in Potassium doses applied through fertigation Acta Agron. (Palmira)
Abanto-Rodríguez,Carlos; Alves Chagas,Edvan; Farias Araújo,Wellington; Gongalves Paulichi,Matheus; García de Lima,Jodo Vitor; Medeiros de Oliveira,Eduardo; Lopes Monteiro Neto,Jodo Luiz; da Silva Maia,Sonicley; Sanchez-Choy,José; Panduro Tenazoa,Nadia Masaya.
Abstract The objective in this study was to determine the nutrient contents in Myrciaria dubia plants in function of five K2O doses (0, 40, 80, 120 and 160 kg ha-1) applied through fertigation. Leaf dry matter (LDM), total dry matter (TDM), and leaf nutrient contents were evaluated. The LDM and TDM were higher in plants subjected to the dose of 160 kg ha-1 of K2O, with 52.44 g and 302.69 g, respectively. Leaf N and K contents were 22.15 and 9.48 g kg-1 in response to 160 kg ha-1 of K2O. The mean P, Ca and S contents were 1.6, 17.89 and 1.61 g kg-1, respectively, and the content of Mg2 + decreased from 5.62 to 2.74 g kg-1 at the dose of 0 and 160 kg ha-1 of K2O, respectively. The B, Mn and Fe contents decreased from 136.5 to 100.0, 346.24 to 248, and from...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agronomic management; Camu-camu; Caqari; Leaf analysis; Mineral nutrition.
Ano: 2019 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122019000400291
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Nutritional diagnosis for eucalypt by DRIS, M-DRIS, and CND Scientia Agricola
Silva,Gualter Guenther Costa da; Neves,Júlio César Lima; Alvarez V.,Víctor Hugo; Leite,Fernando Palha.
The evaluation of the nutritional status in eucalypt (Eucalyptus grandis W. Hill ex Maid.) forests through vegetal tissue analyses what reflects water and nutrient flows in the system, and represents a complementary tool to soil analysis can be helpful to raise and maintain the forest productivity at high levels. This study compared the use of the Diagnosis and Recommendation Integrated System (DRIS), Modified-DRIS (M-DRIS), and Compositional Nutrient Diagnosis (CND) diagnose methods in eucalypt stands in Central-Eastern Minas Gerais State, Brazil. Data of productivity and of N, P, K, Ca, and Mg leaf contents in 993 Eucalyptus grandis stands aging between 72 and 153 months, planted on six sites in 3 ´ 2 m spacing, were used. The nutritional status was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Eucalyptus grandis; Leaf analysis; Leaf diagnosis; Mineral nutrition.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162004000500008
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NUTRITIONAL DIAGNOSIS IN HYBRID COCONUT CULTIVATED IN NORTHEASTERN BRAZIL THROUGH DIAGNOSIS AND RECOMMENDATION INTEGRATED SYSTEM (DRIS) Rev. Bras. Frutic.
SALDANHA,EDUARDO CÉZAR MEDEIROS; SILVA JUNIOR,MÁRIO LOPES DA; LINS,PAULO MANOEL PONTES; FARIAS,SAMUEL CHRISTIAN COHEN; WADT,PAULO GLULHERME SALVADOR.
ABSTRACT The assessment of the nutritional status of plants by leaf diagnosis such as the Diagnosis and Recommendation Integrated System (DRIS) has stood out among traditional methods of interpreting the results of plant tissue analysis. For coconut, nutritional monitoring through foliar analysis has been pointed as an efficient method for fertilizer recommendation, and the results have been traditionally interpreted using the critical level of sufficiency ranges criteria. The aim of this study was to evaluate the nutritional status and establish nutritional standards for the cultivation of hybrid coconut in the municipality of Moju, Pará, using DRIS. The leaf analysis and productivity results of 134 observations for the period 2001-2011 were used to form...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Leaf analysis; Reference Standards; DRIS indexes.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452017000103002
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Plant nutrition, foliar standards, chlorophyll activity and soil nutrient status of two cultivars of Leucospermum cordifolium (Proteaceae) Ciencia e Investigación Agraria
Álvarez,Carlos E; Fernández-Falcón,Marino; Hernández,M. Mercedes.
Two cultivars ('Succession II' and 'Tango') of Leucospermum cordifolium were studied over three years in commercial plantations with optimum yields located on subtropical La Palma Island (Canarian Archipelago). Four foliar samplings were taken per year to determine the evolution of the N, P, and K contents over time and to determine the optimal month for foliar standard sampling. Foliar chlorophyll activity and the foliar standard concentrations of macro- and micronutrients were determined. Soil samples were also taken. Both cultivars developed well in soils with acid and slightly acid pH, low and high organic matter content, and in some cases, high available P concentrations, though Proteaceae is generally considered P sensitive. Chlorophyll activity...
Tipo: Journal article Palavras-chave: Leaf analysis; Protea; 'Succession II'; 'Tango'.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202012000100008
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Soil nutrient availability and its impact on fruit quality of Tahiti acid lime Rev. Bras. Frutic.
Mattos Junior,Dirceu; Milaneze,Thiago Fernando; Azevedo,Fernando Alves; Quaggio,José Antônio.
The Tahiti acid lime in Brazil is mostly grown in the São Paulo State. The value of this crop production ranks among the ten most important fruits in the country. The Brazilian exports of Tahiti limes have increased in the last years with a corresponding increased demand for superior quality of fresh fruits, which is affected by mineral nutrients. Therefore, this study evaluated nutrient soil availability and its influence on nutritional status of trees based on the determination of leaf and fruit nutrient concentrations, fruit characteristics, and post harvest quality. Eleven commercial groves with trees older than 4-yr and differently managed were studied. Plots with six trees in each grove were sampled for soil (0-20 cm depth layer), leaf and fruit...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Citrus latifolia; Mineral nutrients; Soil fertility; Leaf analysis; Fruit analysis.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452010000100042
Registros recuperados: 22
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