Haydée Rodríguez

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The infectivity of ten commercial mycorrhizal inoculants was examined in nursery conditions. Corn plants were grown in a soil-based medium and in two different soilless substrates, a potting mix prepared with redwood bark, pine sawdust, calcined clay and sand, and the commercial Sunshine #5 mix, mainly composed of Canadian sphagnum peat moss. The percentage(More)
This article describes the development of one expert system to determinate possible causes of surfaces defects related to friction on steel process and to establish ways of action to correct the disturbance. The outputs of the system were validated by comparison between historical records and expert opinion for same facts. The soundness of the results(More)
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