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| Registros recuperados: 29 | |
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| Lacerda, Mábio Chrisley; Nascente, Adriano Stephan. |
| This study aimed to evaluate the effect of row spacing and nitrogen topdressing fertilization of two materials (genotype 07SEQCL441 CL and cultivar BRS Esmeralda) on the plant height, yield components, grain yield, and quality of an upland rice crop grown in a no-tillage system. Trials were conducted for two growing seasons under field conditions in a 3 x 4 factorial, randomized, complete block design, with four replications. For each material, treatments consisted of the combination of row spacing (0.225, 0.35, and 0.45 m) with nitrogen (N) applied as topdressing (0, 50, 100, and 150 kg ha-1). The lowest row spacing (0.225 m) for genotypes 07SEQCL441 CL and BRS Esmeralda provided a higher number of tillers, number of panicles m-2, and grain yield of rice.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agronomia; Fitotecnia; Cultivares Oryza sativa L.; Nitrogen; Plant population; NTS; Cerrado fitotecnia. |
| Ano: 2016 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/30855 |
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| Barrera-Violet,José Luis; Cartagena-Valenzuela,José Régulo; Nanclares-Gómez,Omar Alonso. |
| Abstract Banana is one of the most abundantly consumed fruits in the world for its contribution to human nutrition, including an important content of potassium. Given the social contribution of this crop in the cropping areas of Colombia, it is necessary to develop agronomic management strategies that contribute to increasing productivity and offering alternatives that regulate the effects of climate seasonality on banana production in the Uraba region of Colombia. For this purpose, different planting densities (2,000, 2,500, 3,000 and 3,500 plants ha-1) and planting arrangements (triangle, rectangle and double furrow), plus a relative control (1,700 plants ha-1 under triangle arrangement), were evaluated in the banana cv. Williams. The experimental design... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Banana; Light interception; Plant competition; Plant population; Bunch quality. |
| Ano: 2020 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122020000100046 |
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| Zárate, Néstor Antonio Heredia; UFGD; Vieira, Maria do Carmo; UFGD; Rech, Jerusa; UFGD; Graciano, João Dimas; UFGD; Gomes, Hellen Elaine; UFGD; Pontim, Bruno Cezar Álvaro; UFGD. |
| O trabalho teve como objetivo conhecer a produtividade, a renda bruta e a renda bruta menos o custo das sementes da beterraba ‘Tall Top Early Wonder’, em resposta ao uso de quatro e cinco fileiras no canteiro e dos espaçamentos de 5,0; 7,5 e 10,0 cm entre plantas. A colheita foi realizada aos 116 dias após a semeadura, quando se avaliaram a altura das plantas, a massa fresca das folhas, o diâmetro e o comprimento das raízes e as massas frescas de raízes comerciais e não- comerciais. A validação do trabalho foi realizada pela determinação das rendas bruta e da rendas bruta menos o custo das sementes obtidas por hectare cultivado. Nenhuma das características avaliadas foi influenciada significativamente pela interação número de fileiras no canteiro e... |
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Palavras-chave: 5.01.00.00-9 Agronomia Beta vulgaris L.; População de plantas; Renda 5.01.03.00-8 Fitotecnia Beta vulgaris L.; Plant population; Income. |
| Ano: 2008 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/3550 |
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| Farias,Marcelo S. de; Dagios,Ravel F.; Santi,Antônio L.; Cherubin,Maurício R.. |
| ABSTRACT The automatic control of section shut-off in seed drills minimizes seeding overlap and can reduce productivity losses, especially in responsive crops such as corn. In that context, this study evaluated the effect of sowing overlap on the grain yield and productivity of three corn hybrids. A DB-50 precision seed drill, with 33 rows equipped with a 16-row automatic section control, was used in this experiment. A randomized block design was applied to test three corn hybrids under two sowing conditions (without sowing overlap - WOSO; and with sowing overlap - WSO), with four replications. The analyzed variables were the number of plants per hectare, the number of cobs per hectare, cob length, the number of grains per cob, the thousand grain weight,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Zea mays; Precision agriculture; Section control; Plant population. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162020000400489 |
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| Registros recuperados: 29 | |
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