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Pesquisa : B01.650.160 [Categoria DeCS]
Referências encontradas : 215 [refinar]
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  1 / 215 LILACS  
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Id: biblio-1047773
Autor: Ryu, Jaihyunk; Kim, Woon Ji; Im, Juhyun; Hun Kim, Sang; Lee, Kang-Seop; Jo, Han-Jig; Kim, Ee-Youb; Kang, Si-Yong; Lee, Jeong-Hee; Ha, Bo-Keun.
Título: Genotyping-by-sequencing based single nucleotide polymorphisms enabled Kompetitive Allele Specific PCR marker development in mutant Rubus genotypes
Fonte: Electron. j. biotechnol;35:57-62, sept. 2018. tab, graf.
Idioma: en.
Projeto: Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, Forestry,; . and Fisheries (IPET); . Agri-Bio Industry Technology Development Program funded by the Ministry of Agriculture, Food, and Rural Affairs; . National Research Foundation of Korea.
Resumo: Background: Rubus is an economically important fruit crop across the globe. Recently, several Rubus mutant genotypes with improved agronomic traits have been developed using gamma ray irradiation. This study investigated genetic diversity and variations in Rubus mutant genotypes using single nucleotide polymorphism (SNP) markers generated from genotyping-by-sequencing (GBS) analysis. A GBS library of 14 Rubus genotypes, consisting of seven boysenberry mutant lines, four blackberry mutant lines, and three original varieties, were sequenced on the Illumina Hiseq2000 platform. A set of SNPs were analyzed by Kompetitive Allele Specific PCR (KASP) assay in order to discriminate the Rubus genotypes. Results: A total of 50,831,040 (86.4%) reads of clean data were generated, and the trimmed length ranged from 116,380,840 to 509,806,521 bp, with an average of 228,087,333 bp per line. A total of 19,634 high-quality SNPs were detected, which contained 11,328 homozygous SNPs and 8306 heterozygous SNPs. A set of 1504 SNPs was used to perform a phylogenetic analysis, which showed that there were clear differences among the Rubus genotypes based on their origin. A total of 25 SNPs were used for the KASP assays, of which six KASP primer sets were successfully distinguished among the Rubus genotypes. Conclusions: This study demonstrated that the SNP and KASP method is an economically efficient tool for mutant screening in Rubus breeding programs.
Descritores: Polimorfismo de Nucleotídeo Único/genética
Rubus/genética
-Filogenia
Cruzamento
Marcadores Genéticos
Produtos Agrícolas
Alelos
Sequenciamento de Nucleotídeos em Larga Escala
Raios gama
Genótipo
Mutação
Responsável: CL1.1 - Biblioteca Central


  2 / 215 LILACS  
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Texto completo
Id: biblio-950717
Autor: Gundogdu, Muttalip; Ozrenk, Koray; Ercisli, Sezai; Kan, Tuncay; Kodad, Ossama; Hegedus, Attila.
Título: Organic acids, sugars, vitamin C content and some pomological characteristics of eleven hawthorn species (Crataegus spp) from Turkey
Fonte: Biol. Res;47:1-5, 2014. tab.
Idioma: en.
Resumo: BACKGROUND: The Hawthorn (Crateagus sp.) mostly occurs around the temperate region of the world with a high number of species, producing a fruit with numerous beneficial effects for human health. The aim of the study was to determine organic acid and sugar contents in the fruit of a number of hawthorn species grown in Erzincan province of Turkey. RESULTS: Citric acid was the predominant organic acid in all hawthorn species and C. pseudoheterophylla had the highest citric acid content (23.688 g/100 g). There were not statistically significant differences among hawthorn species (except C. atrosanguinea Pojark) in terms of fumaric acid content. C. pontica C.Koch had a higher content of vitamin C (9.418 mg/100 g) compared to other species. Fructose was the predominant sugar component in all species and C. monogyna subsp. monogyna Joiq had the highest fructose content (18.378 g/100 g). CONCLUSIONS: The high fruit quality of the studied species indicates the importance of this fruit in human nutrition as a natural source. The study revealed that there were differences in terms of fruit characteristics among hawthorn species and thus better quality hawthorn genotypes can be selected within the species. Hence, this study is considered to be a valuable reference for forthcoming studies. The high fruit quality of the studied species indicates the importance of this fruit in human nutrition as a natural source.
Descritores: Ácido Ascórbico/análise
Ácido Cítrico/análise
Crataegus/química
Frutose/análise
Frutas/química
Valor Nutritivo
-Sacarose/análise
Turquia
Carboidratos da Dieta/análise
Extratos Vegetais/análise
Produtos Agrícolas/química
Ácidos Dicarboxílicos/análise
Glucose/análise
Responsável: CL1.1 - Biblioteca Central


  3 / 215 LILACS  
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Id: biblio-950719
Autor: Zia-Ul-Haq, Muhammad; Ahmad, Shakeel; Bukhari, Shazia Anwer; Amarowicz, Ryszard; Ercisli, Sezai; Jaafar, Hawa ZE.
Título: Compositional studies and biological activities of some mash bean (Vigna mungo (L) Hepper) cultivars commonly consumed in Pakistan
Fonte: Biol. Res;47:1-14, 2014. graf, tab.
Idioma: en.
Resumo: BACKGROUND: In recent years, the desire to adopt a healthy diet has drawn attention to legume seeds and food products derived from them. Mash bean is an important legume crop used in Pakistan however a systematic mapping of the chemical composition of mash bean seeds is lacking. Therefore seeds of four mash bean (Vigna mungo (L.) Hepper, family Leguminoseae) cultivars (NARC-Mash-1, NARC-Mash-2, NARC-Mash-3, NARC-Mash-97) commonly consumed in Pakistan have been analyzed for their chemical composition, antioxidant potential and biological activities like inhibition of formation of advanced glycation end products (AGE) activity and tyrosinase inhibition activity. RESULTS: The investigated cultivars varied in terms of biochemical composition to various extents. Mineral composition indicated potassium and zinc in highest and lowest amounts respectively, in all cultivars. The amino acid profile in protein of these cultivars suggested cysteine is present in lowest quantity in all cultivars while fatty acid distribution pattern indicated unsaturated fatty acids as major fatty acids in all cultivars. All cultivars were found to be rich source of tocopherols and sterols. Fourier transform infrared spectroscopy (FTIR) fingerprints of seed flour and extracts indicated major functional groups such as polysaccharides, lipids, amides, amines and amino acids. Results indicated that all investigated cultivars possessed appreciable antioxidant potential. CONCLUSIONS: All cultivars are rich source of protein and possess sufficient content of dietary fiber, a balanced amino acid profile, low saturated fatty acids and antioxidant capacity that rationalizes many traditional uses of seeds of this crop besides its nutritional importance. The collected data will be useful for academic and corporate researchers, nutritionists and clinical dieticians as well as consumers. If proper attention is paid, it may become an important export commodity and may fetch considerable foreign exchange for Pakistan.
Descritores: Sementes/química
Produtos Agrícolas/química
Fabaceae/química
-Paquistão
Fenóis/análise
Riboflavina/análise
Sementes/metabolismo
Esteróis/análise
Taninos/análise
Tiamina/análise
Oligoelementos/análise
Flavonoides/análise
Extratos Vegetais/química
Sequestradores de Radicais Livres
Monofenol Mono-Oxigenase/antagonistas & inibidores
Produtos Finais de Glicação Avançada/metabolismo
Produtos Agrícolas/metabolismo
Substâncias Redutoras/metabolismo
Cisteína/análise
Tocoferóis/análise
Fabaceae/metabolismo
Niacina/análise
Antioxidantes/metabolismo
Valor Nutritivo
Responsável: CL1.1 - Biblioteca Central


  4 / 215 LILACS  
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Texto completo SciELO Chile
Texto completo
Id: biblio-950722
Autor: Villagra, Evelyn; Campos-Hernandez, Carola; Cáceres, Pablo; Cabrera, Gustavo; Bernardo, Yamilé; Arencibia, Ariel; Carrasco, Basilio; Caligari, Peter DS; Pico, José; García-Gonzales, Rolando.
Título: Morphometric and phytochemical characterization of chaura fruits (Gaultheria pumila): a native Chilean berry with commercial potential
Fonte: Biol. Res;47:1-8, 2014. graf, tab.
Idioma: en.
Projeto: Universidad Católica del Maule. Departamento de Ciencias Forestales; . Fondo de Innovación para la Competividad of the Región del Maule; . Comisión Nacional de Investigación Científica y Tecnológica. Programa Nacional de Becas de Doctorado en Chile; Programa de Atracción e Inserción de Capital Humano.
Resumo: BACKGROUND: For the first time, a morphometric characterization of chaura (Gaultheria pumila) fruits has been conducted between natural populations growing in the Villarrica National Park, Araucania Region, Chile. Chaura is a native Ericaceae from Chile that produces aromatic and tasty fruits which could be of agricultural interest. RESULTS: To influence the decision for a further domestication of G. pumila, both the fruit sizes (indicator of productivity) and the nutritional properties of the fruits have been determined from different subpopulations. Samples were a total of 74 plants and 15 fruits per plant which were randomly harvested following its natural distribution around the Villarrica volcano. Altogether, fresh weight, shape, color, diameter in the pole and the equatorial dimensions were determined as phenotypic traits of the G. pumila fruits. Meanwhile the total soluble solids, anthocyanin and pectin contents were calculated as nutritional traits of the Chaura fruits. Results showed a high phenotypic diversity between the sampled population with three main fruit shapes and three predominant colors. The round shapes were the most abundant, whereas a significant correlation was found among fruit size with weight and color. The highest fresh weight (597.3 mg), pole diameter (7.1 mm) and equatorial diameter (6.5 mm) were estimated in the pink color fruits. CONCLUSIONS: The total amount of anthocyanin was higher in red fruits, while the maximum pectin content was obtained in the round white fruits. Overall results must pave the way for a further domestication and introduction of the Chaura species in the agro-productive system in Chile.
Descritores: Pectinas/análise
Gaultheria/anatomia & histologia
Gaultheria/química
Frutas/anatomia & histologia
Frutas/química
Antocianinas/análise
-Fenótipo
Refratometria
Chile
Análise de Variância
Produtos Agrícolas
Biodiversidade
Antioxidantes/análise
Valor Nutritivo
Tipo de Publ: Research Support, Non-U.S. Gov't
Responsável: CL1.1 - Biblioteca Central


  5 / 215 LILACS  
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Id: biblio-950733
Autor: Cetin, Emine Sema.
Título: Induction of secondary metabolite production by UV-C radiation in Vitis vinifera L. Öküzgözü callus cultures
Fonte: Biol. Res;47:1-7, 2014. tab.
Idioma: en.
Resumo: BACKGROUND: The aim of the present work was to examine the role of UV-C irradiation on the production of secondary metabolites (total phenolic, total flavanols, total flavonols, catechin, ferulic acid and trans-resveratrol in phenolic compounds and α-, ß-, γ- δ-tocopherols) in callus cultures. Studies on the effects of UV-C treatment on callus culture are seldom and generally focused on UV-B. However UV-C radiation play an important role in accumule secondary metabolites. RESULTS: In this study, callus cultures from Öküzgözü grape cultivar were initiated from leaf petiole explants. Calli formed after 6 weeks on the medium supplemented with 0.5 mg L-1 benzylaminopurine (BA), 0.5 mg L-1 indole acetic acid (IAA) on B5 media. Callus tissues were exposed to UV-C irradiation at 10, 20 and 30 cm distances from the UV source for 5 and 10 minutes and samples were collected at hours 0, 24 and 48. CONCLUSIONS: The greatest total phenolic content (155.14 mg 100 g-1) was detected in calli exposed to UV-C for 5 min from 30 cm distance and sampled after 24 h. 24 h and 48 h incubation times, 30 cm and 5 min were the most appropriate combination of UV-C application in total flavanol content. Maximum total flavonol content (7.12 mg 100 g-1) was obtained on 0 h, 5 min and 20 cm combination. The highest (+)- catechin accumulation (8.89 mg g-1) was found in calli with 10 min UV-C application from 30 cm distance and sampled after 48 h. Ferulic acid content increased 6 fold in Öküzgözü callus cultures (31.37 µg g-1) compared to the control group. The greatest trans-resveratrol content (8.43 µg g-1) was detected in calli exposed to UV-C for 5 min from 30 cm distance and sampled after 24 h. The highest α-tocopherol concentration was found in calli exposed to UV-C for 10 min from 30 cm distance and sampled after 24 h. As a conclusion, it was showed that UV-C radiation had remarkable promoting effects on the accumulation of secondary metabolites in the calli of Öküzgözü grape cultivar.
Descritores: Raios Ultravioleta
Folhas de Planta/efeitos da radiação
Produtos Agrícolas/efeitos da radiação
Vitis/efeitos da radiação
Técnicas de Embriogênese Somática de Plantas/métodos
Metabolismo Secundário/efeitos da radiação
-Fenóis/análise
Estilbenos/análise
Flavonoides/análise
Catequina/análise
Cromatografia
Folhas de Planta/metabolismo
Folhas de Planta/química
Produtos Agrícolas/fisiologia
Ácidos Cumáricos/análise
Vitis/metabolismo
Vitis/química
Tocoferóis/análise
Flavonóis/análise
Metabolismo Secundário/fisiologia
Resveratrol
Responsável: CL1.1 - Biblioteca Central


  6 / 215 LILACS  
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Id: biblio-950742
Autor: Kan, Tuncay; Gundogdu, Muttalip; Ercisli, Sezai; Muradoglu, Ferhad; Celik, Ferit; Gecer, Mustafa Kenan; Kodad, Ossama; Zia-Ul-Haq, Muhammad.
Título: Phenolic compounds and vitamins in wild and cultivated apricot (Prunus armeniaca L) fruits grown in irrigated and dry farming conditions
Fonte: Biol. Res;47:1-6, 2014. tab.
Idioma: en.
Resumo: BACKGROUND: Turkey is the main apricot producer in the world and apricots have been produced under both dry and irrigated conditions in the country. In this study, phenolic compounds and vitamins in fruits of one wild (Zerdali) and three main apricot cultivars ('Cataloglu', 'Hacihaliloglu' and 'Kabaasi') grown in both dry and irrigated conditions in Malatya provinces in Turkey were investigated. RESULTS: The findings indicated that higher content of phenolic compounds and vitamins was found in apricot fruits grown in irrigated conditions. Among the cultivars, 'Cataloglu' had the highest rutin contents both in irrigated and dry farming conditions as 2855 µg in irrigated and 6952 µg per 100 g dried weight base in dry conditions and the highest chlorogenic acid content in irrigated and dry farming conditions were measured in fruits of 'Hacihaliloglu' cultivar as 7542 µg and 15251 µg per 100 g dried weight base. Vitamin C contents in homogenates of fruit flesh and skin was found to be higher than ß-caroten, retinol, vitamin E and lycopen contents in apricot fruits both in irrigated and dry farming conditions. CONCLUSION: The results suggested that apricot fruits grown in both dry and irrigated conditions had high health benefits phytochemicals and phytochemical content varied among cultivars and irrigation conditions as well. However, more detailed biological and pharmacological studies are needed for the demonstration and clarification of health benefits of apricot fruits.
Descritores: Fenóis/análise
Vitaminas/análise
Produtos Agrícolas/metabolismo
Prunus/metabolismo
Irrigação Agrícola/métodos
Frutas/metabolismo
-Turquia
Vitamina A/análise
Vitamina E/análise
Carotenoides/análise
Cromatografia Líquida de Alta Pressão
Produtos Agrícolas/classificação
Produtos Agrícolas/crescimento & desenvolvimento
beta Caroteno/análise
Prunus/crescimento & desenvolvimento
Licopeno
Frutas/crescimento & desenvolvimento
Responsável: CL1.1 - Biblioteca Central


  7 / 215 LILACS  
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Id: lil-791171 LILACS-Express
Autor: Zarazúa, José-Alberto.
Título: RETOS EN TORNO A LA GESTIÓN DE LA INNOVACIÓN EN SISTEMAS PRODUCTIVOS AGRÍCOLAS
Fonte: Rev. luna azul;(42):1-2, ene.-jun. 2016.
Idioma: es.
-Organização e Administração
Produtos Agrícolas
Gestão dos Recursos Naturais
Criatividade
Limites: Humanos
Tipo de Publ: Editorial
Responsável: CO54.1 - Centro de Biblioteca e Información Científica


  8 / 215 LILACS  
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Id: biblio-1223772
Autor: Amaya García, Eduardo Antonio(edt); Ramírez Artiga, Walter Yobani(edt).
Título: Diseño de automatización de sistema de riego de invernadero para el desarrollo de la agricultura familiar en el marco de la seguridad alimentaria: en vínculo con la ENA / Design of automation of greenhouse irrigation system for the development of family agriculture within the framework of food security: in conjunction with ENA.
Fonte: Santa Tecla, La Libertad; ITCA Editores; ene. 2016. 34 p. ilus., graf..
Idioma: es.
Resumo: Según el Foro Rural Mundial, en el planeta hay más de 3,000 millones de personas que viven en el campo. La mayor parte, unos 2,500 millones, son agricultores. Más de 1,500 millones trabajan 404 millones de parcelas menores de dos hectáreas, la mayoría menores de una hectárea. En El Salvador, el Censo Agropecuario 2008, registra 390,475 unidades productivas, de las cuales el 85.8% son menores a 3 hectáreas, pero estas, según el Ministerio de Agricultura de El Salvador, proveen más del 70% de la producción de granos básicos. El desconocimiento de la tecnología y la poca investigación en la parte de ingeniería aplicada a la agricultura, no ayudan a impulsar el sector agrícola salvadoreño, a crecer de forma sostenible y lograr aumentar la productividad y la rentabilidad de las cosechas. Es por ello que, la elaboración de sistemas de invernaderos con dimensiones menores, para ser utilizados en cultivos familiares o pequeños negocios ser una casa o negocio ayuda a que estos puedan obtener sus verduras o legumbres con la confianza que son productos orgánicos, libres de químicos y pesticidas.

According to the World Rural Forum, there are more than 3 billion people on the planet who live in the countryside. The majority, some 2.5 billion, are farmers. More than 1,500 million work 404 million plots smaller than two hectares, the majority smaller than one hectare. In El Salvador, the 2008 Agricultural Census records 390,475 productive units, of which 85.8% are smaller than 3 hectares, but these, according to the Ministry of Agriculture of El Salvador, provide more than 70% of the production of basic grains. The ignorance of technology and the little research in the engineering part applied to agriculture do not help to promote the Salvadoran agricultural sector, to grow in a sustainable way and to increase productivity and the profitability of crops. That is why, the development of greenhouse systems with smaller dimensions, to be used in family crops or small businesses, being a home or business helps them to obtain their vegetables or legumes with the confidence that they are organic products, free of chemicals. and pesticides.
Descritores: Estufas para Plantas
Irrigação Agrícola
Abastecimento de Alimentos
-Verduras
Produtos Agrícolas
Agricultura
Equipamentos e Provisões
Tipo de Publ: Relatório Técnico
Responsável: SV2 - Departamento de Gobernanza y Gestión del Conocimiento
SV39.1; 631.587, A489d


  9 / 215 LILACS  
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Id: biblio-950827
Autor: Alkhateeb, Suliman A; Alkhateeb, Abdullatif A; Solliman, Mohei EL-Din.
Título: In vitro response of date palm (Phoenix dactylifera L) to K/Na ratio under saline conditions
Fonte: Biol. Res;48:1-9, 2015. ilus, graf, tab.
Idioma: en.
Projeto: King Faisal University.
Resumo: BACKGROUND: Salinity is a serious factor limiting the productivity of agricultural plants. One of the potential problems for plants growing under saline conditions is the inability to up take enough K+. The addition of K+ may considerably improve the salt tolerance of plants grown under salinity. It is assumed that increasing the K+ supply at the root zone can ameliorate the reduction in growth imposed by high salinity. The present study aims to determine whether an increase in the K/Na ratio in the external media would enhance the growth of date palm seedlings under in vitro saline conditions. METHODS: Date palm plants were grown at four concentrations of Na + K/Cl (mol/m³) with three different K/Na ratios. The 12 salt treatments were added to modified MS medium. The modified MS medium was further supplemented with sucrose at 30 g/l. RESULTS: Growth decreased substantially with increasing salinity. Growth expressed as shoot and root weight, enhanced significantly with certain K/Na ratios, and higher weight was maintained in the presence of equal K and Na. It is the leaf length, leaf thickness and root thickness that had significant contribution on total dry weight. Na+ contents in leaf and root increased significantly increased with increasing salinity but substantial decreases in Na+ contents were observed in the leaf and root with certain K/Na ratios. This could be attributed to the presence of a high K+ concentration in the media. The internal Na+ concentration was higher in the roots in all treatments, which might indicate a mechanism excluding Na+ from the leaves and its retention in the roots. K/Na ratios up to one significantly increased the leaf and root K+ concentration, and it was most pronounced in leaves. The K+ contents in leaf and root was not proportional to the K+ increase in the media, showing a high affinity for K+ uptake at lower external K+ concentrations, but this mechanism continues to operate even with high external Na+ concentrations. CONCLUSION: Increasing K/Na ratios in the growing media of date plam significantly reduced the absorption of Na+ less than 200 mM and also balance ions compartmentalization.
Descritores: Potássio/metabolismo
Sódio/metabolismo
Produtos Agrícolas
Salinidade
Phoeniceae/fisiologia
-Sacarose/farmacologia
Técnicas In Vitro
Compartimento Celular/fisiologia
Brotos de Planta/metabolismo
Raízes de Plantas/metabolismo
Folhas de Planta/metabolismo
Phoeniceae/crescimento & desenvolvimento
Absorção Fisico-Química
Tipo de Publ: Research Support, Non-U.S. Gov't
Responsável: CL1.1 - Biblioteca Central


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Id: biblio-1142508
Autor: Barth, Gabriel; Gotz, Lenir Fátima; Favaretto, Nerilde; Pauletti, Volnei.
Título: Does Dairy Liquid Manure Complementary to Mineral Fertilization Increase Grain Yield Due to Changes in Soil Fertility?
Fonte: Braz. arch. biol. technol;63(spe):e20190537, 2020. tab, graf.
Idioma: en.
Resumo: Abstract The main destination of manure is the application to croplands near livestock farms as nutrient source to enhance crop production. The aim of this study was to define the dairy liquid manure (DLM) dose, complementary to the mineral fertilizer, for higher crops yield, in rotation black oat-maize-wheat-soybean, and to identify the soil chemical variables improved by the manure that most affect the yield, in long-term. The experiment was conducted from 2006 to 2015, in no-tillage system, at Paraná State, Brazil. The soil was a Latossolo Bruno Distrófico típico, clayey texture. The treatments consisted by doses of DLM (0, 60, 120 and 180 m3 ha-1 year-1), complementary to the mineral fertilizer (applied in the same amount for all DLM doses). Crops yield and soil chemical variables were evaluated at six depths (0-10; 10-20; 20-30; 30-40; 40-50 and 50-60 cm). The DLM application increased the yield of all crops, but not in all harvests. The DLM even applied at soil surface improved the soil chemical variables in deep layers, resulting in high positive correlation between yield and exchange bases, P, Zn and Mn contents, and high negative correlation with Ca/Mg ratio and potential acidity at depth 0-10 cm. The DLM dose, complementary to the mineral fertilization, that provided higher soybean and wheat yield was about 130 m3 ha-1 year-1, while for maize this dose was equal to or greater than 180 m3 ha-1 year-1. This effect was not attributed to a single chemical variable but the improvement of all chemical variables evaluated.
Descritores: Solo/química
Fertilizantes
Produção Agrícola/métodos
Esterco
-Fósforo/análise
Soja
Triticum
Carbono/análise
Avena
Produtos Agrícolas
Zea mays
Fazendas
Minerais/análise
Nitrogênio/análise
Limites: Humanos
Animais
Responsável: BR1.1 - BIREME



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