1000 resultados para Melancia - Cultivo


Relevância:

20.00% 20.00%

Publicador:

Resumo:

Pós-graduação em Agronomia (Produção Vegetal) - FCAV

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Pós-graduação em Aquicultura - FCAV

Relevância:

20.00% 20.00%

Publicador:

Resumo:

The expansion of the no-tillage system, in Brazil, has increasingly diversified the ways in which the production methods are established and managed. This study aimed at evaluating the influence of preceding crops such as mayze and Urochloa ruziziensis, as well as their intercropping, in the presence and absence of seed inoculation with Azospirillum brasilense, and the cover nitrogen supplying on common bean development, production components and grain yield. The study was carried out in Selvíria, Mato Grosso do Sul State, Brazil, in the 2011/2012 crop season. The experimental design was randomized blocks, with four replications, in a 8x4 factorial scheme, with treatments consisting of a combination of cover crops (associations of mayze, U. ruziziensis and A. brasilense) and cover nitrogen doses on common bean (0 kg ha-1, 30 kg ha-1, 60 kg ha-1 and 90 kg ha-1). The preceding crops affected the common bean grain yield, with the mayze and Urochloa intercropping, both inoculated, being the best option. The initial common bean population was not affected by previous crops. The cover nitrogen application did not affect the common bean grain yield under winter irrigation, for the no-tillage system.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Arborization can benefit coffee plantations by reducing the wind speed and temperature variation in the crop. It is also possible that the incident radiation can affect the weed populations and reduce the need for their control. This study aimed at assessing the weeds population and distribution, in arabica coffee intercropped with three macadamia cultivars, six years after planting, in Dois Córregos, São Paulo State, Brazil. Treatments consisted of a 3x3+1 factorial scheme, i.e., coffee intercropped with three macadamia cultivars (HAES 816, IAC 4-20 and IAC 9-20) and three sampling positions of weeds in the intercropping (in the macadamia tree canopy projection, among the macadamia tree canopies projections and in the single rows), plus an additional treatment (sole coffee). The weeds incidence and control, as well as their phytosociological characterization, were evaluated. For coffee intercropped with macadamia, the weeds occurrence and number of species were smaller than for sole coffee. For the projection in the canopy and among canopies of macadamia trees, there was an average decrease of 82% in the occurrence of weeds, in comparison with the sole coffee. The IAC 9-20 cultivar was more efficient in reducing the occurrence of weeds, when intercropped with coffee, for presenting a taller canopy, with a larger diameter.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Pós-graduação em Agronomia (Entomologia Agrícola) - FCAV

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Local abundant residues with low or without commercial value with potential to make the production of edible mushrooms economically viable in any region of Brazil must be employed for cultivation. Thus, the radial mycelial growth of LED 20 strain of Lentinula edodes (Berk.) Pegler was verified in culture media prepared with extract of regional residues by using substrates based on Protium puncticulatum, Cariniana micrantha and Caryocar glabum sawdust, supplemented with 20% of grinded residues from the barks of the fruits of Astrocaryum aculeatum and Theobroma grandiflorum. Residues from eucalyptus (Eucalyptus spp) sawdust and wheat bran (Triticum aestivum L) were used as witness because they are commonly used in the cultivation of L. edodes. The experimental design used was totally randomized, in 4x3 factorial scheme, totalizing 12 treatments with five repetitions, being that each repetition corresponded to a Petri dish, adding up a total of 60 dishes, which were incubated under 25 degrees C. The diameter of the colony was daily evaluated during seven days of incubation. After that period, it was verified that media prepared with P. puncticulatum extract, whose supplementation with both brans was favorable for fungic development, presented some of the highest averages of mycelial growth of LED 20 strain of L. edodes, confirming the potential of those residues.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Chicory is a vegetable Amazon unconventional flavor that has attracted the attention of researchers for its great versatility, which makes it a promising vegetable. However, jobs are scarce in the literature on cultivation techniques for the species. This study aimed to evaluate the effect of pruning tassel floral and different spacing, the yield on Amazon chicory. Three different spacings: E1 = 0.15 x 0.15 m, with 44 plants m(2), E2 = 0.20 x 0.20 m, with 25 plants m(2), and E3 = 0.25 x 0.25 m, with 16 plants m(2), with and without pruning floral tassel. The experiment was conducted in a randomized block design in a split plot design 3 x 2, with six replications. The characteristics evaluated were: number of leaves, fresh weight and dry weight of shoots, number of tassel floral tassel floral fresh weight, yield (kg m(-2)), and leaf area index (LAI). The largest production of chicory Amazon was obtained in plants grown at a spacing of 0.25 x 0.25 m subjected to pruning floral tassel. The highest yield for Amazon chicory was obtained in plants grown at a spacing of 0.15 x 0.15 m submitted pruning floral tassel.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Pós-graduação em Agronomia (Produção Vegetal) - FCAV

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)