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Registros recuperados: 67
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Agronomic performance of lettuce subjected to green manure with different leguminous species AGRIAMBI
Sarmento,José J. A.; Santos,José J. F. dos; Costa,Caciana C.; Bomfim,Marinês P..
ABSTRACT Green manure is the practice of cultivation and incorporation of plants to the soil, mainly leguminous species, produced or not in situ, for the purpose of preserving and/or restoring soil organic matter and soil nutrients. To compare the effects of incorporating leguminous species in the pre-planting green manure on lettuce production, seven treatments were tested: mineral fertilization; crotalaria (Crotalaria juncea); cowpea (Vigna unguiculata); common bean (Phaseolus vulgaris); lablab bean (Dolichos lablab); pigeon pea (Cajanus cajan) and spontaneous plants. The treatments were arranged in the randomized blocks, with five repetitions. The experiment was conducted in the experimental area of the CCTA/UFCG, in the period from April to December...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lactuca sativa; Nutrient cycling; Plant nutrition; Yield.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019000200114
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Assessment of nutrient returns in a tropical dry forest after clear-cut without burning. Repositório Alice
AMORIM, L. B.; SALCEDO, I. H.; PAREYN, F. G. C.; ALVAREZ, I. A..
Tropical dry forests (TDFs) are being deforested at unprecedented rates. The slash/burn/ agriculture/fallow-extensive livestock sequence causes significant nutrient losses and soil degradation. Our aim is to assess nutrient inputs and outputs in a TDF area under an alternative management system, for exclusive wood production. The study involved clear-cutting a preserved caatinga TDF site without burning, quantifying nutrients exported in firewood/ timber and nutrients returned to the soil from the litter layer plus the slash debris, left to decompose unburned on the soil surface. Before clear-cut, the litter layer on the forest floor contained 6.1 t ha of dry matter (DM). After clear-cut, the aboveground biomass was 61.9 t DM ha-1 (consisting of 21.5 t DM...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Caatinga; Litter decomposition; Nutrient cycling; Debris decomposition.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1002495
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Benthic macroinvertebrates and degradation of phytomass as indicators of ecosystem functions in flooded rice cropping PAB
Winckler,Lilian Terezinha; Güths,Angélica Konradt; Gayer,Pâmela Rodrigues.
Abstract: The objective of this work was to evaluate the ecosystem functions of a natural wetland and of artificially flooded rice areas, managed under organic and conventional systems, by phytomass degradation and by the colonization of this material by benthic macroinvertebrates. The experiment was carried out in a natural wetland area, and in two flooded rice areas managed under organic and conventional systems. Twenty-five decomposition bags filled with 10 g of dry vegetation were installed in each site. At 14, 28, 42, 56, and 70 days after the beginning of the experiment, five bags from each site were collected. Macroinvertebrates were identified and classified by functional trophic group. The number of species of benthic macroinvertebrates increased:...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Oryza sativa; Aqualf; Biomass degradation; Ecosystem services; Nutrient cycling; Paddy soils.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2017000400261
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Biomass decomposition and nutrient release from black oat and hairy vetch residues deposited in a vineyard. Repositório Alice
TRENTIN, G.; MELO, G. W. B. de; FERREIRA, P. A. A.; GIROTTO, E.; MIOTTO, A.; CERETTA, C. A.; KAMINSKI, J.; FRARI, B. K. D.; MARCHEZAN, C.; SILVA, L. O. S.; FAVERSANI, J. C.; BRUNETTO, G..
RESUMO: DECOMPOSIÇÃO E LIBERAÇÃO DE NUTRIENTES DE RESÍDUOS DE AVEIA- PRETA E ERVILHACA EM VINHEDO Em áreas de vinhedos, uma significativa quantidade de nutrientes pode retornar anualmente ao solo durante a decomposição de resíduos de espécies de plantas de cobertura. Este trabalho objetivou avaliar a decomposição e liberação de nutrientes de resíduos de aveia preta e ervilhaca depositados nas linhas de plantio de videiras sem e com cobertura plástica e nas entrelinhas. Este estudo foi conduzido em um vinhedo comercial em Bento Gonçalves, RS, no período de outubro de 2008 a fevereiro de 2009. Resíduos de aveia-preta (Avena strigosa) e ervilhaca (Vicia villosa) foram coletados, submetidos a análises químicas (C, N, P, K, Ca e Mg) e bioquímicas (cellulose -...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Ciclagem de nutrientes; Cobertura plástica; Vitis sp; Plastic shelter; Biomassa; Aveia preta; Aveia forrageira; Ervilhaca; Leguminosa forrageira; Ervilhaca peluda; Vicia villosa; Planta de cobertura; Cover crops; Nutrient cycling.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1002676
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Biomass decomposition and nutrient release from black oat and hairy vetch residues deposited in a vineyard Rev. Bras. Ciênc. Solo
Ferreira,Paulo Ademar Avelar; Girotto,Eduardo; Trentin,Gustavo; Miotto,Alcione; Melo,George Wellington de; Ceretta,Carlos Alberto; Kaminski,João; Frari,Bianca Knebel Del; Marchezan,Carina; Silva,Lincon Oliveira Stefanello; Faversani,Jéssica Carolina; Brunetto,Gustavo.
A significant quantity of nutrients in vineyards may return to the soil each year through decomposition of residues from cover plants. This study aimed to evaluate biomass decomposition and nutrient release from residues of black oats and hairy vetch deposited in the vines rows, with and without plastic shelter, and in the between-row areas throughout the vegetative and productive cycle of the plants. The study was conducted in a commercial vineyard in Bento Gonçalves, RS, Brazil, from October 2008 to February 2009. Black oat (Avena strigosa) and hairy vetch (Vicia villosa) residues were collected, subjected to chemical (C, N, P, K, Ca, and Mg) and biochemical (cellulose - Cel, hemicellulose - Hem, and lignin - Lig content) analyses, and placed in litter...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cover crops; Nutrient cycling; Plastic shelter; Vitis sp.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832014000500027
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Calcium and Magnesium Released from Residues in an Integrated Crop-Livestock System under Different Grazing Intensities Rev. Bras. Ciênc. Solo
Assmann,Joice Mari; Martins,Amanda Posselt; Anghinoni,Ibanor; Costa,Sergio Ely Valadão Gigante de Andrade; Franzluebbers,Alan Joseph; Carvalho,Paulo César de Faccio; Silva,Francine Damian da; Costa,Álvaro Araujo.
ABSTRACT Under integrated crop-livestock production systems (ICLS), plant and animal residues are important nutrient stocks for plant growth. Grazing management, by affecting the numbers of both plants and animals and the quality of residues, will influence nutrient release rates. The objective of this study was to evaluate the impact of grazing intensity on Ca and Mg release from pasture, dung, and soybean residues in a long-term no-till integrated soybean-cattle system. The experiment was established in May 2001 in a Latossolo Vermelho Distroférrico (Rhodic Hapludox). Treatments were a gradient of grazing intensity, determined by managing a black oat + Italian ryegrass pasture at 10, 20, 30, and 40 cm grazing height and no-grazing (NG), followed by...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mixed pasture; Animal residue; Half-life time; Nutrient cycling.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832017000100512
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Calibration and validation of models for short-term decomposition and N mineralization. Repositório Alice
NASCIMENTO, A. F. do; MENDONÇA, E. de S.; LEITE, L. F. C.; SCHOLBERG, J.; NEVES, J. C. L..
Insight of nutrient release patterns associated with the decomposition of plant residues is important for their effective use as a green manure in food production systems. Thus, this study aimed to evaluate the ability of the Century, APSIM and NDICEA simulation models for predicting the decomposition and N mineralization of crop residues in the tropical Atlantic forest biome, Brazil. The simulation models were calibrated based on actual decomposition and N mineralization rates of three types of crop residues with different chemical and biochemical composition. The models were also validated for different pedo-climatic conditions and crop residues conditions. In general, the accuracy of decomposition and N mineralization improved after calibration. Overall...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Modeling; Nutrient cycling; Organic agriculture; Soil organic matter.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/handle/doc/979454
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Calibration and validation of models for short-term decomposition and N mineralization of plant residues in the tropics Scientia Agricola
Nascimento,Alexandre Ferreira do; Mendonça,Eduardo de Sá; Leite,Luiz Fernando Carvalho; Scholberg,Johannes; Neves,Julio Cesar Lima.
Insight of nutrient release patterns associated with the decomposition of plant residues is important for their effective use as a green manure in food production systems. Thus, this study aimed to evaluate the ability of the Century, APSIM and NDICEA simulation models for predicting the decomposition and N mineralization of crop residues in the tropical Atlantic forest biome, Brazil. The simulation models were calibrated based on actual decomposition and N mineralization rates of three types of crop residues with different chemical and biochemical composition. The models were also validated for different pedo-climatic conditions and crop residues conditions. In general, the accuracy of decomposition and N mineralization improved after calibration. Overall...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Modeling; Nutrient cycling; Organic agriculture; Soil organic matter.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162012000600008
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Calibration of the century, apsim and ndicea models of decomposition and n mineralization of plant residues in the humid tropics Rev. Bras. Ciênc. Solo
Nascimento,Alexandre Ferreira do; Mendonça,Eduardo de Sá; Leite,Luiz Fernando Carvalho; Neves,Júlio Cesar Lima.
The aim of this study was to calibrate the CENTURY, APSIM and NDICEA simulation models for estimating decomposition and N mineralization rates of plant organic materials (Arachis pintoi, Calopogonium mucunoides, Stizolobium aterrimum, Stylosanthes guyanensis) for 360 days in the Atlantic rainforest bioma of Brazil. The models´ default settings overestimated the decomposition and N-mineralization of plant residues, underlining the fact that the models must be calibrated for use under tropical conditions. For example, the APSIM model simulated the decomposition of the Stizolobium aterrimum and Calopogonium mucunoides residues with an error rate of 37.62 and 48.23 %, respectively, by comparison with the observed data, and was the least accurate model in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Legumes; Nutrient cycling; Organic farming; Plant production.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832011000300026
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Carbon and nitrogen cycling in an integrated soybean-beef cattle production system under different grazing intensities PAB
Assmann,Joice Mari; Anghinoni,Ibanor; Martins,Amanda Posselt; Costa,Sérgio Ely Valadão Gigante de Andrade; Kunrath,Taise Robinson; Bayer,Cimélio; Carvalho,Paulo Cesar de Faccio; Franzluebbers,Alan Joseph.
Abstract:The objective of this work was to evaluate the effect of grazing intensity on the decomposition of cover crop pasture, dung, and soybean residues, as well as the C and N release rates from these residues in a long-term integrated soybean-beef cattle system under no-tillage. The experiment was initiated in 2001, with soybean cultivated in summer and black oat + Italian ryegrass in winter. The treatments consisted of four sward heights (10, 20, 30, and 40 cm), plus an ungrazed area, as the control. In 2009-2011, residues from pasture, dung, and soybean stems and leaves were placed in nylon-mesh litter bags and allowed to decompose for up to 258 days. With increasing grazing intensity, residual dry matter of the pasture decreased and that of dung...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Avena strigose; Glycine max; Lolium multiflorum; Integrated crop-livestock; Nutrient cycling; Soil organic matter..
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2015001000967
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Cover Crops Effects on Soil Chemical Properties and Onion Yield Rev. Bras. Ciênc. Solo
Oliveira,Rodolfo Assis de; Brunetto,Gustavo; Loss,Arcângelo; Gatiboni,Luciano Colpo; Kürtz,Claudinei; Müller Júnior,Vilmar; Lovato,Paulo Emílio; Oliveira,Bruno Salvador; Souza,Monique; Comin,Jucinei José.
ABSTRACT Cover crops contribute to nutrient cycling and may improve soil chemical properties and, consequently, increase crop yield. The aim of this study was to evaluate cover crop residue decomposition and nutrient release, and the effects of these plants on soil chemical properties and on onion (Allium cepa L.) yield in a no-tillage system. The experiment was carried out in an Inceptisol in southern Brazil, where cover crops were sown in April 2012 and 2013. In July 2013, shoots of weeds (WD), black oats (BO), rye (RY), oilseed radish (RD), oilseed radish + black oats (RD + BO), and oilseed radish + rye (RD + RY) were cut at ground level and part of these material from each treatment was placed in litter bags. The litter bags were distributed on the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Allium cepa; Nutrient cycling; No-till system.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832016000100520
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Crescimento e acúmulo de nutrientes por plantas espontâneas e por leguminosas utilizadas para adubação verde. Repositório Alice
FAVERO, C.; JUCKSCH, I.; COSTA, L.M.; ALVARENGA, R. C.; NEVES, J.C.L..
As especies vegetais espontaneas, nas areas de cultivo agricola, tem sido tratadas como "plantas daninhas". "ervas invasoras", "incos" e outras denominacoes, do ponto de vista dos prejuizos que podem acarretar as especies cultivadas. No entanto, as espontaneas podem promover os mesmos efeitos de protecao do solo e ciclagem de nutrientes que especies cultivadas ou introduzidas para adubacao verde. O crescimento e o acumulo de nutrientes pela parte aerea de espontaneas e de leguminosas utilizadas como adubos verdes foram medidos em um experimento de campo em Sete Lagoas (MG), na Embrapa Milho e Sorgo. O experimento consistiu de cinco especies de leguminosas (feijao-de-porco, feijao bravo do Ceara, mucuna-preta, lab-lab e guandu), submetidos a duas condicoes...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Biomassa; Produtividade; Invasoras; Ciclagem de nutrientes; Biomass; Productivity; Nutrient cycling; Invasive.
Ano: 2000 URL: http://www.alice.cnptia.embrapa.br/handle/doc/483576
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Decomposição e liberação de nitrogênio, fósforo e potássio de resíduos da cultura do feijoeiro. Repositório Alice
CHAGAS, E.; ARAÚJO, A. P.; TEIXEIRA, M. G.; GUERRA, J. G. M..
Este trabalho teve como objetivo mensurar a velocidade de decomposição e de liberação de nutrientes in situ de resíduos da cultura do feijoeiro (Phaseolus vulgaris L.). Em condições de campo, foram coletadas as folhas senescentes durante o ciclo da cultura, bem como os caules e a palhada de vagens após trilhagem dos grãos, de cultivares de feijoeiro. Esses resíduos continham 2,3 Mg ha-l de massa, 31 kg ha-l de N e 2,4 kg ha-1 de P, que correspondiam a 63, 41 e 28 % do total de massa, N e P, respectivamente, acumulados durante 0 ciclo da cultura. Foram realizados dois ensaios, nos períodos de inverno-primavera e primavera-verão, quando os caules, as vagens e as folhas senescentes foram colocados separadamente em litterbags, dispostos sobre 0 solo, e...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Matéria orgânica; Feijão; Ciclagem de nutriente; Phaseolus vulgaris; Organic matter; Nutrient cycling.
Ano: 2007 URL: http://www.alice.cnptia.embrapa.br/handle/doc/629652
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Decomposition and nutrient release of leguminous green manure species in the Jaguaribe-Apodi region, Ceará, Brazil Ciência Rural
Pereira,Natanael Santiago; Soares,Ismail; Miranda,Fábio Rodrigues de.
ABSTRACT: The use of leguminous green manure can be an alternative for the region agricultural systems due to its ability to incorporate significant amounts of nutrients into the soil through decomposition and nutrient release from biomass. This study aimed to evaluate the decomposition rates and nutrient release of six leguminous green manure species ( Crotalaria juncea , Canavalia ensiformes , Cajanus cajan , Crotalaria spectabilis , Dolichos lablab and Mucuna deeringiana ) in an area of the Jaguaribe-Apodi agricultural region, Brazil. Experiment was carried out under field conditions in a randomized block design with five replications. Decomposition and nutrient release from leguminous biomass were monitored by sampling at 30, 60, 90, 120, 150 and 180...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mineralization; Nutrient cycling; Plant residues.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000600970
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Decomposition and nutrient release of leguminous plants in coffee agroforestry systems Rev. Bras. Ciênc. Solo
Matos,Eduardo da Silva; Mendonça,Eduardo de Sá; Cardoso,Irene Maria; Lima,Paulo César de; Freese,Dirk.
Leguminous plants used as green manure are an important nutrient source for coffee plantations, especially for soils with low nutrient levels. Field experiments were conducted in the Zona da Mata of Minas Gerais State, Brazil to evaluate the decomposition and nutrient release rates of four leguminous species used as green manures (Arachis pintoi, Calopogonium mucunoides, Stizolobium aterrimum and Stylosanthes guianensis) in a coffee agroforestry system under two different climate conditions. The initial N contents in plant residues varied from 25.7 to 37.0 g kg-1 and P from 2.4 to 3.0 g kg-1. The lignin/N, lignin/polyphenol and (lignin+polyphenol)/N ratios were low in all residues studied. Mass loss rates were highest in the first 15 days, when 25 % of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nutrient cycling; Agroecology; Plant residue; Residue quality.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832011000100013
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Deposição de folhedo e retorno de nutrientes ao solo em quatro procedências de (Grevillea robusta Cunn.) no Sudoeste do Paraná PFB - Pesquisa Florestal Brasileira
Martins, Emerson Gonçalves; Ferreira, Carlos Alberto; Neves, Edinelson Jsosé Maciel; Inoue, Mario Takao.
Foram avaliadas a deposição de serapilheira e de nutrientes em quatro procedências de grevilea (Grevillea robusta Cunn), de quatro anos de idade, plantadas na Região de Quedas do Iguaçu, em solo classificado como LATOSSOLO VERMELHO Distroférrico (Haplustox). Os resultados possibilitaram as seguintes conclusões: 1) A grevilea produz em média 10267 kg de serapilheira por hectare/ano, superando as produções observadas em povoamentos de Pinus e Eucalyptus. 2) A concentração dos macronutrientes na serapilheira não tem relação com o crescimento volumétrico, exceto de P, que se apresenta em maior concentração em povoamentos com a menor produção volumétrica de média. 3) As procedências mais produtivas em madeira tenderam a depositar, pela serapilheira, as maiores...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ciclagem de nutrientes; Elementos minerais; Volume de madeira Litter; Nutrient cycling; Nutrient deposition; Wood volume.
Ano: 2004 URL: http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1597
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Deposição de serapilheira e de nutrientes de duas espécies da Amazônia. Repositório Alice
NEVES, E. J. M.; MARTINS, E.G.; REISSMANN, C. B..
A capacidade da Floresta Amazônica em desenvolver-se sobre solos com baixa disponibilidade de nutrientes e com grande produção de biomassa deve-se à eficiente deposição e rápida liberação dos elementos minerais mediante a decomposição da serapilheira e reabsorção através de raízes superficiais. Considerando a necessidade de obter-se conhecimentos sobre a ciclagem de nutrientes de espécies da Amazônia, plantadas em ecossistema de terra firme, no presente trabalho, avaliou-se, entre as idades de 43 e 55 meses, a deposição de serapilheira, a concentração, o conteúdo e as variações mensais de N, P, K, Ca, Mg e S de Ceiba pentandra e de Virola surinamensis, plantadas em solo classificado como Latossolo Amarelo. Para tanto, coletores de 2,40 m de largura por...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Ceiba pentandra; Virola surinamensis; Ciclagem de nutrientes; Nutrient cycling.
Ano: 2001 URL: http://www.alice.cnptia.embrapa.br/handle/doc/305893
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Drying Temperature - Duration Impacts on Moisture, Carbon, and Nitrogen Losses from Broiler Litter CIGR Journal
Sanjay B. Shah; NC State University.
Drying poultry litter (PL) prior to analysis minimizes nutrient transformations and losses and facilitates sample preparation. Drying also allows comparison among different litters on dry-weight (dw) basis. However, losses of carbon (C) as CO2 and nitrogen (N) as NH3 (NH3) can confound moisture losses. Thus, the apparent moisture content (MC) that does not separately account for C and N losses will be higher than the true MC. Further, use of apparent MC may also result in overestimation of C and N concentrations (dw basis). Broiler litter (BL) MC was determined using FD 50 (flask-dried at 50°C for 24 h), FD 70 (flask-dried at 70°C for 16 h), CT70 (oven-dried at 70°C to constant mass), and CT105 (oven-dried at 105°C to constant mass). Carbon and NH3-N...
Palavras-chave: Waste management; Nutrient cycling; Emissions; Pollution Poultry litter moisture content; Ammonia loss; Carbon dioxide loss; Urea.
Ano: 2014 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2801
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Drying Temperature - Duration Impacts on Moisture, Carbon, and Nitrogen Losses from Broiler Litter CIGR Journal
Shah, Sanjay B..
Drying poultry litter (PL) prior to analysis minimizes nutrient transformations and losses and facilitates sample preparation. Drying also allows comparison among different litters on dry-weight (dw) basis. However, losses of carbon (C) as CO2 and nitrogen (N) as NH3 (NH3) can confound moisture losses. Thus, the apparent moisture content (MC) that does not separately account for C and N losses will be higher than the true MC. Further, use of apparent MC may also result in overestimation of C and N concentrations (dw basis). Broiler litter (BL) MC was determined using FD 50 (flask-dried at 50°C for 24 h), FD 70 (flask-dried at 70°C for 16 h), CT70 (oven-dried at 70°C to constant mass), and CT105 (oven-dried at 105°C to constant mass). Carbon and NH3-N...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Waste management; Nutrient cycling; Emissions; Pollution Poultry litter moisture content; Ammonia loss; Carbon dioxide loss; Urea.
Ano: 2014 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2801
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Environmental impacts and nutrient recycling on pastures grazed by cattle R. Bras. Zootec.
Vendramini,J.M.B.; Silveira,M.L.A.; Dubeux Jr.,J.C.B.; Sollenberger,L.E..
Grasslands are being replaced by urbanization and more profitable agricultural activities around the world. Producers may be faced with land constraints and need to consider intensification of the remaining grasslands as a means of maintaining overall production on a decreasing land resource. However, intensification of the grazing system is usually associated with greater nutrient inputs, including those from commercial fertilizers and supplement fed to animals. Excessive loading of nutrients in intensive grazing systems via fertilizer and animal wastes can cause nutrient buildup in the soil and subsequent water quality problems. Surface runoff and leaching of nutrients are the two major process affecting water quality. Nitrogen and P represent major...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cattle; Forage; Grassland; Nutrient cycling; Water quality.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982007001000015
Registros recuperados: 67
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