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Registros recuperados: 9
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Application stages and nitrogen sources in topdressing of super-early bean crop irrigated. Repositório Alice
SILVA JÚNIOR, J. L. da; BRAZ, A. J. B. P.; BOLDRIN, P. F.; FERREIRA, C. J. B.; SILVEIRA, P. M. da.
Producing food in a sustainable manner, exploiting the genetic potential of crops and optimizing cultivation time to ensure increased production are the biggest challenges for agriculture. The cultivation of super-early common bean lineages with high productive capacity leads to minor water consumption in crops under irrigation and vacate the area in less time. The objective of this work was to evaluate the yield components of super-early cycle common bean cultivars, under irrigated system in function of sources of nitrogen (N) as well as to assess different application stages. The experiment was conducted in randomized block design in a factorial scheme 4x3 + 1, corresponding of four sources of N in coverage (urea, urea + ammonium sulfate, urea + ammonium...
Tipo: Artigo de periódico Palavras-chave: BRS FC 104; Feijão; Phaseolus Vulgaris; Fertilizante Nitrogenado; Clorofila; Beans; Nitrogen fertilizers; Chlorophyll.
Ano: 2020 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1126396
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Aspectos relevantes da semeadura direta na qualidade do solo e na produtividade das culturas. Repositório Alice
OLIVEIRA, M. F. de; FERNANDES, R. B. A.; FREDDI, O. da S.; FERREIRA, C. J. B.; TAVARES, R. L. M..
O uso de diferentes tecnologias na produção de grãos no Brasil nas últimas décadas proporcionou expressivos incrementos na produtividade. A adoção da semeadura direta foi marcante, mas ainda existem áreas que adotam as práticas do sistema convencional, com a aração e a gradagem (IBGE, 2017). Neste levantamento, o uso de preparo de solo não está caracterizado por tamanho de propriedades ou locais de adoção, todavia esta prática parece estar associada a propriedades de tamanho pequeno ou médio. Esta redução de área de preparo convencional tem sido caracterizada por crescimento da área de sistema plantio direta (Llanillo, 2013), ainda que uma das premissas desta técnica seja frequentemente não adotada. A estimativa IBGE em 2006 dava conta da existência de...
Tipo: Parte de livro Palavras-chave: Sistema de preparo de solo; Plantio Direto; Sistema de Cultivo.
Ano: 2021 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1138133
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Controle químico de milho resistente ao Glyphosate proveniente de diferentes híbridos. Repositório Alice
BRAZ, L. B. P.; BRAZ, G. B. P.; PROCOPIO, S. de O.; SILVA, A. G. da; BRAZ, A. J. B. P.; FERREIRA, C. J. B..
Tipo: Artigo de periódico Palavras-chave: Consorcio de planta; Milho; Milho Hibrido; Manejo; Herbicida.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1113259
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Cropping systems and soybean plant population in Brazilian Cerrado. Repositório Alice
SILVA, A. G.; MARTINS, P. D. S.; PROCOPIO, S. de O.; BESSA, O. R.; FERREIRA, C. J. B..
Abstract: The growing demand for soybean has led producers to adopt different plant arrangements. However, this technology information in Cerrado conditions is scarce and further studies in order to understand the effects of soybean crop are necessary. Therefore, the objective of this study was to evaluate different cropping systems, with and without addition of plant population using a soybean variety of semi determinate growth habit in Brazilian Cerrado conditions. The experiments were carried out in the crop years 2013/14 and 2014/15 in Rio Verde - GO, Brazil, in randomized block design with 4x2 factorial arrangement, consisting of four sowing systems (traditional; reduced; double rows and cross) associated to two plant populations (recommended and...
Tipo: Artigo de periódico Palavras-chave: Double rows; Plant arrangement; Reduced spacing; Arranjo de plantas; Espaçamento reduzido; Componentes de produtividade.; Cerrado; Soja; Plantio; Densidade de Plantio; Glycine Max; Fileira Dupla.; Yield components.; Soybeans.
Ano: 2021 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1138424
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Interference of volunteer corn on soybean grown under cerrado conditions. Repositório Alice
BRAZ, L. B. P.; BRAZ, G. B. P.; PROCOPIO, S. de O.; FERREIRA, C. J. B.; SILVA, A. G.; BRAZ, A. J. B. P..
Tipo: Artigo de periódico Palavras-chave: Milho; Soja; Consorciação de Cultura; Soybeans; Corn.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1118667
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Interference of volunteer corn on soybean grown under Cerrado conditions. Repositório Alice
BRAZ, G. B. P.; PROCOPIO, S. de O.; FERREIRA, C. J. B.; SILVA, A. G. da; BRAZ, A. J. B. P..
Abstract: The presence of volunteer corn plants in coexistence with soybean has been increasing since the introduction of glyphosate-resistant corn hybrids. This study aimed to evaluate the effect of interference of volunteer RR® corn plants at different densities on two RR® soybean cultivars. The experiment was conducted in Rio Verde, GO. The experimental design was a randomized block design in a factorial arrangement (2×5), with four replications. Factor A consisted of two soybean cultivars (BMX Potência RR® and M8210 IPRO®), while five densities of RR® corn plants per m2 (0, 4, 8, 12, and 16) were adopted for factor B. The following evaluations were carried out for soybean: plant height, SPAD index, percentage of interrow closure, shoot dry matter,...
Tipo: Artigo de periódico Palavras-chave: Soybean cultivars; Soja; Glycine max; Competição biológica; Milho.; Soybeans; Corn; Ecological competition; Plant competition.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1115517
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Nitrogen fertilization in super-early cycle common bean using new sources of urea. Repositório Alice
BRAZ, A. J. B. P.; FERREIRA, C. J. B.; SILVEIRA, P. M. da; SIMON, G. A.; ASSIS, R. L. de; BRAZ, G. B. P.; MEDEIROS, R. V..
The efficiency of new fertilizers as a nitrogen source in super-early cycle common bean cultivars still needs to be better known. The objective was to quantify the effect of new sources and time of application of nitrogen on yield and yield components of a super-early cycle bean cultivar. The experiment was conducted in the city of Rio Verde, state of Goias, Brazil, using the experimental design of randomized blocks, in a 3x3+1 factorial scheme, with four replications. The first factor was constituted by nitrogen (N) sources: traditional urea, zeolite-associated urea, and urea with urease inhibitor, using the dose of 80 kg ha-1 N. The second factor was application stages: V2, V3, and V4, that is, when 50% of the plants had the first pair of unifoliolate...
Tipo: Artigo de periódico Palavras-chave: Feijão; Fertilizante Nitrogenado; Uréase; Adubação; Beans; Fertilizer application; Urease inhibitors; Zeolites; Nitrogen fertilizers.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1091565
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Plant arrangement in soybean crops with indeterminate growth in brazilian Cerrado. Repositório Alice
SILVA, A. G.; MARTINS, P. D. de S.; CARMO, E. L. do; PROCOPIO, S. de O.; BARCELLOS, L. C.; FERREIRA, C. J. B.; BESSA, O. R..
Abstract: The suitability of the spatial arrangement of soybean is a tool capable of promoting better use of the agricultural environment, allowing the crop to express its yield potential. Therefore, the aim of this study was to evaluate different implementation systems with and without an increase in the plant population of soybean with indeterminate growth habit variety cultivated in the Brazilian Cerrado. The experiments were performed in the 2013/14 and 2014/15 seasons in Rio Verde, Goias state. The experimental design was randomized blocks with four replication in a 4x2 factorial scheme. The treatments presents four implementation systems (traditional, reduced, double rows and crossed) associated with two populations of BMX Potência RR® (recommended...
Tipo: Artigo de periódico Palavras-chave: Interrow spacing; Reduced; Double rows; Cross-seeding; Soja; Sistema de Cultivo; Glycine Max; Soybeans; Spatial distribution; Yield components; Interrow tillage.
Ano: 2020 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1129730
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The use of pre-emergence herbicides in cassava decreases the need of manual weeding. Repositório Alice
SANTIAGO, A. D.; PROCOPIO, S. de O.; BRAZ, G. B. P.; FERREIRA, C. J. B..
Weed management consists of a fundamental practice in cassava, with mechanical and chemical control widely used. The objective of this work was to evaluate the efficacy of pre-emergence herbicides, as well as to determine the interaction of these with weeding complementation in the weed management in cassava. Two experiments were conducted in Junqueiro (Alagoas). In 2015/16, the experimental design was based on randomized blocks, with treatments distributed in a split-split-plot scheme, with four replications. In the main plot, four pre-emergence associations of clomazone + flumioxazin in different doses were evaluated, in addition to a control without herbicide. In the subplots, the Caravela and Pretinha cassava cultivars were evaluated, while in the...
Tipo: Artigo de periódico Palavras-chave: Mandioca; Herbicida; Erva Daninha; Cassava; Herbicides; Manual weed control; Weeds.
Ano: 2020 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1129206
Registros recuperados: 9
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