December 2015
Farmers’ perception of a biological control agent, Oecophylla longinoda Latreille (Hymenoptera: Formicidae) and its effects on the quality of citrus fruits in Ghana
The red weaver ant, Oecophylla longinoda Latreille is a predator of many insect pests of tree crops and its presence in orchards is perceived to result in improved fruit quality. This study therefore sought to investigate farmers’ perception of O. longinoda as a biological control agent for insect pests of citrus and its effect on fruit quality. A questionnaire-based survey was first used to investigate...
December 2015
Impact of pasture herbicides on the seedling growth response of three tall fescue varieties
Chemical application is a viable and popular method for weed control, but the effectiveness of various herbicides depends on the target weed. The objectives of this study were to determine the appropriate herbicide for three tall fescue varieties that either do or do not contain endophytic fungi. Plants were split into six herbicide treatments and an untreated control for 7, 14, 21, and 28 days in a randomized complete...
December 2015
Meloidogyne incognita resistant strains of leaf lettuce
The root-knot nematode is a major problem for commercial lettuce cultivation because it affects the market quality of the final product. The objective of this study was to select strains of butter-leaf lettuce resistant to Meloidogyne incognita spp. with good agronomic performance for further cultivar trials. Three field experiments were conducted on the premises of Instituto Agronômico de Pernambuco (IPA-PE) and...
December 2015
Valorization of Jatropha curcas seed cake into different kinds of compost and effect of these composts on cabbage yield in Togo
Jatropha curcas L. is a plant species from the family of Euphorbiaceae. The extraction of oil from its seeds produces a cake for which its accumulation causes different environmental problems related to solid waste management. The valorization of this cake into compost could be a contribution to solving this problem. Therefore different types of compost were made with J. curcas seed cake associated with animal feces...
December 2015
Influence of harvest time in accumulation of biomass between cassava cultivars
Lack of cultivar adapted to the planting area, as the ideal harvest period undertakes the productive potential of cassava. The study was conducted to evaluate the influence of different harvest seasons on total production of fresh and dry weight of four cassava cultivars. The used cultivars were: Branca de Santa Catarina (BSC), IAC 13, IAC 14-18 and Fiber that they were planted on 09/20/11 at the headquarters of the...
December 2015
Enhancing social-ecological resilience through social learning: A case study of communal pasture management in the Highlands of Ethiopia
Social learning processes can play an important role in enabling communities to sustainably manage the natural resources they depend upon. We examine how a community in the highlands of Ethiopia has succeeded to manage its communal pasture sustainably over the past decades. We identified three processes that played a key role in enabling the community to take the window of opportunity offered by a radical policy change...
December 2015
Agricultural potential of reject brine from water desalination
The purpose of this research was to study the feasibility of growing organic vegetables using the reject brine from the water treatment station in the community of Bom Jesus, in Campo Grande, RN. The research began with the establishment of a community garden according to systematic principles of agricultural sustainability in ecological basis. The participatory planning, in which all activities in the project were...
December 2015
Silicon in the turgidity maintenance of American lettuce
This study aimed to verify the influence of silicon application in hydroponics lettuce cv Lucy Brown, on post-harvest under refrigeration. In hydroponic production silicon was used in the doses of 0, 28, 56, and 84 mg L-1 of potassium silicate. Lettuces were harvested early in the morning and immediately transported to UNESP, campus of Jaboticabal. Upon being received at the laboratory the plants were...
December 2015
Determination of nutrient composition and organoleptic evaluation of bread produced from composite flours of wheat and beans
The study was conducted to compare the chemical composition and organoleptic evaluation of 5 bread samples (B1, B2, B3, B4 and B5). The bread samples were made from composite flours of wheat and fermented ground bean flours (70:30), (60:40), wheat and fermented brown-eyed bean flours (70:30), (60:40) and 100% wheat flour. The samples were processed and milled into fine flours. The flours were used to produce different...
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