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Alteracoes na fertilidade do solo em sistemas de rotacao de culturas en semeadura direta. Repositório Alice
FRANCHINI, J.C.; BORKERT, C.M.; FERREIRA, M.M.; GAUDENCIO, C.A..
O sistema de semeadura direta com culturas de graos ocupa atualmente; 2,5 milhoes de hectares no estado do Parana. Alem do sistema tradicional de sucessao trigo-soja, em grande parte desta area sao semeadas plantas de cobertura-adubacao verde no inverno e milho no verao. Neste estudo, foram avaliadas as alteracoes em algumas caracteristicas quimicas do solos, apos sete anos, sob os sistemas de rotacao de culturas trigo-soja-aveia-soja (TSA), trigo-soja-tremoco-milho-aveia-soja (TMA), tremoco-milho-trigo-soja (TM) e o sistema tradicional de sucessao trigo-soja (TS) em unidades de Latossolo Roxo distrofico, em Londrina e Campo Mourao. O sistema TM diminuiu o pH do solo e os teores de calcio (Ca2+) e magnesio (Mg2+) trocaveis e aumentou o aluminio trocavel...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Semeadura direta; Rotacao; Solo acido; Acidificacao do solo; Mobilidade de cations; Plantas de cobertura; Adubacao verde; Calcio; Brasil; Parana; Zero tillage; Acid soils; Green manures; Rotational cropping; Soil acidification; Cation mobility; Cover plants; Calcium; Trigo; Soja; Aveia; Tremoco; Milho; Wheat; Soybeans; Black oat; Corn; Lupine.
Ano: 2000 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/462103
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Crop yield and nutrient balance influenced by shoot biomass management and pig slurry application AGRIAMBI
Pandolfo,Carla M.; Veiga,Milton da.
ABSTRACT Crop systems that export large amounts of nutrients from the farm may require higher doses of animal manure than those needed for grain production. This study aimed to evaluate the yield of crops and to determine the simplified nutrient balance in three management systems of shoot biomass of crops (cover-grain, cover-silage and hay-silage) associated with five fertilization treatments (control, soluble fertilizer and three doses of pig slurry). The experimental design was a split plot, arranged in randomized blocks with four replicates. The management systems of shoot biomass did not affect the yield of the winter pasture, but there was an increase in yield with the application of pig slurry. The summer crops responded differently to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Black oat; Rye; Sorghum; Corn; Organic manure; Silage; Hay.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000400302
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Efeito da rotação de culturas com pastagens anuais de inverno no rendimento de trigo. Repositório Alice
FONTANELI, R. S.; SANTOS, H. P. dos; REIS, E. M.; AMBROSI, I..
1998
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Aveia-branca; Aveia-preta; Ervilhaca; Milho; Soja; Trigo; Gaeumannomyces graminis; Bipolaris sorokiniana; White oat; Black oat; Common vetch; Soybean; Wheat; Pasture.
Ano: 1998 URL: http://www.alice.cnptia.embrapa.br/handle/doc/824752
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Efeito da rotacao de culturas com pastagens anuais de inverno no rendimento de trigo. Repositório Alice
FONTANELI, R.S.; SANTOS, H.P. dos; REIS, E.M.; AMBROSI, I..
O objetivo do presente estudo foi avaliar, no CEPAGRO-Centro de Extensao e Pesquisa Agronomica, da Faculdade de Agronomia da Universidade de Passo Fundo, em Passo Fundo, RS, os efeitos de sistemas de producao de graos com pastagens anuais de inverno no rendimento de graos e no controle de doencas radiculares de trigo. Os tratamentos consistiram em quatro sistemas de producao: sistema I (trigo/soja, aveia-preta-soja, e aveia-preta/soja); II (trigo/soja e aveia-preta + ervilhaca/milho); sistema III (trigo/soja, aveia-preta + ervilhaca/soja e aveia-preta + ervilhaca/milho); e sistema IV (trigo/soja, aveia-branca/soja e aveia/branca/soja). As culturas, tanto no inverno como no verao, foram estabelecidas sob sistema platio direto. O delineamento experimental...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Aveia-branca; Aveia-preta; Ervilhaca; Milho; Soja; Trigo; Gaeumannomyces graminis; Bipolaris sorokiniana; White oat; Black oat; Common vetch; Soybean; Wheat.
Ano: 1998 URL: http://www.alice.cnptia.embrapa.br/handle/doc/89473
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Ensaio nacional de aveias forrageiras. Repositório Alice
GODOY, R.; PRIMAVESI, A. C.; BATISTA, L. A. R.; CESAR, F. C..
1997
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Aveia forrageira; Aveia branca; Aveia Preta; Forage oat; Oat; Black oat.
Ano: 1997 URL: http://www.alice.cnptia.embrapa.br/handle/doc/44258
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Forage production dynamics of winter annual grasses sown on different dates R. Bras. Zootec.
Pin,Edison Antonio; Soares,André Brugnara; Possenti,Jean Carlo; Ferrazza,Jussara Maria.
This experiment was carried out from April to September 2008 with the objective of evaluating the forage production dynamics of winter annual grasses (Avena strigosa Schereb cv. IAPAR-61; Lolium multiflorum Lam cv. Comum; Avena strigosa cv. Comum; Avena sativa cv. IPR 126; and Triticum aestivum L cv. BRS Tarumã) on four sowing dates (April 4th, April 24th, May 14th and June 3rd). A completely randomized blocks with four replications was used. It was evaluated number of days and production at the first cutting, total production, number of cuts and density of plants and tillers. There is a strong interaction among cultivars and sowing dates for all analyzed variables and this indicates opportunities of choosing multiple combinations among cultivar and sowing...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Annual-ryegrass; Black oat; Forage budget; Forage production; White oat.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000300007
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Grain crops and forage yield resulting from the use of phosphates in integrated production system Rev. Ciênc. Agron.
Galetto,Shivelly Los; Fonseca,Adriel Ferreira da; Harkatin,Silvano; Reifur,Hendrik Ivan; Carvalho,Igor Quirrenbach de.
The aim of this study was to assess the effects of the sources and levels of surface-applied (broadcast) phosphorus (P) when sowing the winter annual forages on phosphorus accumulation and yields of maize, soybean, black oat and annual ryegrass crops in a crop-livestock integration system over three years. The experiment was established in April 2009, in the municipality of Castro, Parana, Brazil. The treatments consisted of the broadcast application when sowing the winter forages of four doses (0, 60, 120 and 180 kg ha-1 year-1) of total P2O5 as triple superphosphate (TSP), rock phosphate (RP-Arad) and magnesium termophosphate (MTP). The dry matter yields of black oat (2009 and 2011), annual ryegrass (2010), maize (2009/10 and 2011/12) and soybean...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zea mays L; Glycine max (L.) Merril; Black oat; Annual ryegrass; Crop-livestock integration.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902014000500009
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Identification of croplands of winter cereals in Rio Grande do Sul state, Brazil, through unsupervised classification of normalized difference vegetation index images REA
Junges,Amanda H.; Fontana,Denise C.; Pinto,Daniele G..
This study aimed to propose methods to identify croplands cultivated with winter cereals in the northern region of Rio Grande do Sul State, Brazil. Thus, temporal profiles of Normalized Difference Vegetation Index (NDVI) from MODIS sensor, from April to December of the 2000 to 2008, were analyzed. Firstly, crop masks were elaborated by subtracting the minimum NDVI image (April to May) from the maximum NDVI image (June to October). Then, an unsupervised classification of NDVI images was carried out (Isodata), considering the crop mask areas. According to the results, crop masks allowed the identification of pixels with greatest green biomass variation. This variation might be associated or not with winter cereals areas established to grain production. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Wheat; Black oat; Remote sensing; MODIS; NDVI.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162013000400027
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Particulate soil organic carbon and stratification ratio increases in response to crop residue decomposition under no-till Rev. Bras. Ciênc. Solo
Briedis,Clever; Sá,João Carlos de Moraes; De-Carli,Roberto Simão; Antunes,Erielton Aparecido Pupo; Simon,Lucas; Romko,Marielle Leticia; Elias,Lucio Schenekenberg; Ferreira,Ademir de Oliveira.
In soils under no-tillage (NT), the continuous crop residue input to the surface layer leads to carbon (C) accumulation. This study evaluated a soil under NT in Ponta Grossa (State of Paraná, Brazil) for: 1) the decomposition of black oat (Avena strigosa Schreb.) residues, 2) relation of the biomass decomposition effect with the soil organic carbon (SOC) content, the particulate organic carbon (POC) content, and the soil carbon stratification ratio (SR) of an Inceptisol. The assessments were based on seven samplings (t0 to t6) in a period of 160 days of three transects with six sampling points each. The oat dry biomass was 5.02 Mg ha-1 at t0, however, after 160 days, only 17.8 % of the initial dry biomass was left on the soil surface. The SOC in the 0-5 cm...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Black oat; Carbon sequestration; Dry matter decomposition; Half-life.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832012000500012
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PERFORMANCE OF ‘NANICÃO JANGADA’ BANANA PLANTS INTERCROPPED WITH WINTER COVER CROPS Rev. Bras. Frutic.
AGUIAR,RICARDO SFEIR DE; ZACCHEO,PAULO VICENTE CONTADOR; NEVES,CARMEN SILVIA VIEIRA JANEIRO; AGUIAR,MARCELO SFEIR DE; OLIVEIRA,FERNANDO TEIXEIRA DE.
ABSTRACT The use of cover crops species may be an important strategy in the pursuit of sustainability of agroecosystems, considering benefits to soil, such as improvements of physical and chemical characteristics, and weed control. The objective of this study was to evaluate the effect of winter cover crops and other soil managements on chemical soil properties, on the cycle, on the production of the first cycle and on the fruit quality of banana cv. Nanicão Jangada in Andirá – PR, Brazil. The experiment was carried out in a commercial. Planting of banana suckers from the grower area occurred in the first half of March 2011, with a spacing of 2.40 m between rows and 1.90 m between plants. The experiment was designed in randomized blocks with four...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Black oat; Forage turnip; Banana; Green manure; Banana plant cycle.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452016000403001
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Production and quality of milk from Mantiqueira dairy cows feeding on Mombasa grass pasture and receiving different sources of roughage supplementation R. Bras. Zootec.
Peres,Afonso Aurélio de Carvalho; Carvalho,Carlos Augusto Brandão de; Carvalho,Maria Inês de Aquino Barbosa; Vasquez,Hernán Maldonado; Silva,José Fernando Coelho da; Clipes,Renata Cogo; Morenz,Mirton José Frota.
Production and quality of milk from dairy cows grazing exclusively on Mombasa grass pasture, during the spring-summer period and fed roughage supplementations, during the autumn-winter, were evaluated in two consecutive years. The pasture of 11.4 ha was divided into 57 paddocks of 2,000 m² each, including three replications with 19 paddocks each. The pasture was managed with two occupation days and 36 resting days. During the spring-summer period, cows received only grass pasture. In the autumn-winter period, they had access to Mombasa grass pasture and received roughage supplementations (black oat pasture; sorghum silage or sugarcane + urea) and pasture every 28 days, alternately. The animals had access to mineral mix and water and received 500 g of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Black oat; Dairy cattle; Rotational stocking; Sorghum silage; Sugarcane.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000300044
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Residual effect of nitrogen fertilizers formulated with biochar. Repositório Alice
CARVALHO, T. A. de; PUGA, A. P.; PIRES, A. M. M.; LIGO, M. A. V.; ANDRADE, C. A. de.
Abstract: Biochar-based nitrogen fertilizers provide productivity and efficiency of nitrogen use gains, but knowledge is scarce about the residual effect for subsequent crops. We evaluated the residual effect of biochar-based nitrogen fertilizers formulated with urea and charcoal fines residues from the coal manufacturing process for the supply of the Brazilian steel park. The treatments tested were related to the residual effect of 80 kg Nha-1 applied via side dressing in an experiment with corn cultivation under field conditions. After corn harvesting, soil samples from the 0-15 cm layer were collected from each experimental plot, respecting the treatments represented by the following sources of N, besides the control: ammonium nitrate, urea and three...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Biochar-based fertilizer; Black oat; Enhanced-efficiency fertilizer; Fertilidade do Solo; Uréia; Urea; Biochar; Soil fertility.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1121343
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Soil aggregation in a crop-livestock integration system under no-tillage Rev. Bras. Ciênc. Solo
Souza,Edicarlos Damacena de; Costa,Sérgio Ely Valadão Gigante de Andrade; Anghinoni,Ibanor; Carvalho,Paulo César de Faccio; Oliveira,Eric Victor Ferreira de; Martins,Amanda Posselt; Cao,Eduardo; Andrighetti,Marcelo.
Grazing intensities can influence soil aggregation, which can be temporarily and permanently affected. The objective of this study was to evaluate the aggregate stability in water at the end of a soybean cycle and during pasture development in a crop-livestock integration system under no-tillage and grazing intensities. The experiment was initiated in 2001, in a dystrophic Red Latosol, after soybean harvest. Treatments consisted of pasture (black oat + Italian ryegrass) at heights of 10, 20 and 40 cm, grazed by young cattle, and a control (no grazing), followed by soybean cultivation, in a randomized block design. Soil samples were collected at the end of the soybean cycle (May/2007), during animal grazing (September/2007) and at the end of the grazing...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Black oat; Italian ryegrass; Mean weighted diameter; Soil structure.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832010000400033
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