933 resultados para Relations of production


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The soil of the Paraiba, in generality, are acid and with low levels of available match, seriously limiting the income of the plants. A research in vegetation house was lead, with the objective to evaluate doses of calcareous soil and match in the culture of ricinus. The treatments had been composites for five levels of match: 0.0; 80; 160; 240 and 360 kg ha(-1) of P(2)O(5) and four dosis of calcareous rock: 0.0; 2.5; 3.5 and 4.5 t ha(-1) in experimental delineation of blocks casualized with 4 factorial project x 3 (four levels of match and three doses of calcareous soil) more two treatments you add zero of match (0.0 P(2)O(5): 2,5 t ha(-1) of calcareous soil) and calcareous soil zero (240 P(2)O(5): 0.0 t ha(-1) of calcareous soil), with three repetitions. The calcareous soil reduced the acidity of the ground and effect of the application of the match (>= 80 kg ha(-1) of P(2)O(5)) in the presence of the collagen (>= 2.5 t ha(-1) of CaCO(3)) with of the calcareous soil (>= 2.5 t ha(-1) of CaCO(3)) in the presence of the match was not verified well (>= 80 kg ha(-1) of P(2)O(5)). The match applied in the absence of the calcareous soil was limited to the income of the culture of what the calcareous soil in the absence of the match.

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Alpinia purpurata (Vieill) K. Schum, common name red ginger belongs to Zingiberaceae family, and is a perennial, with nice inflorescences composed of layers of bracts arranged in spirals. The utilization of keeping-quality solutions seeks to prolong vase-life and to maintain the quality of cut flowers. This research was performed to evaluate the effect of seven pulsing solutions (during 24 hours) on water relations, quality (turgor, browning and curvature) and the longevity of cut red ginger. The experiment followed complete randomized design, in factorial arrangement. The following treatments were studied: 1) distilled water (control), 2) sucrose 2% + 8-hidroxyquinoline citrate 200 ppm, 3) sucrose 2%, 4) sucrose 2% + citric acid, 5) benzyladenine 10 μM, 6) benzyladenine 10 μmol + sucrose 2%, 7) quaternary ammonia 0,5 mL/L. There was no significant (P>0.05) reduction of the relative water content (RWC) of the inflorescence bracts, among solutions, in the first period (7 days) and in the second period (14 days) and, between the two periods for all treatments. Significant differences among RWC of some treatments were recorded after 16 days of vase life. The utilization of benzyladenine, benzyladenine plus sucrose and sucrose plus citric acid, in the pulsing solution, allowed to keep the flowers quality for longer periods than the other treatments.

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The supply chain management, postponement and demand management operations are of strategic importance to the economic success of organizations because they directly influence the production process. The aim of this paper is to analyze the influence of the postponement in an enterprise production system with make-to-stock and with seasonal demand. The research method used was a case study, the instruments of data collection were semi-structured interviews, document analysis and site visits. The research is based on the following issues: Demand Management which can be understood as a practice that allows you to manage and coordinate the supply chain in reverse, in which consumers trigger actions for the delivery of products. The Supply Chain Management is able to allow the addition of value, exceeding the expectations of consumers, developing a relationship with suppliers and customer's win-win. The Postponement strategy must fit the characteristics of markets that require variety of customized products and services, lower cost and higher quality, aiming to support decision making. The production system make-to-stock shows enough interest to organizations that are operating in markets with high demand variability. © 2011 IEEE.

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Includes bibliography

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Includes bibliography