Hydroponic is one of the solutions gardening methods using water as a nutrition medium. Usually, maintaining hydroponic plant quality and nutrients are done manually require human efforts, such degree acidity or wetness (pH), TDS (Total Dissolved Solids), nutrient temperature. With Internet Things technology, we can automate control by measuring nutrients' TDS, pH, temperature values controllin...

'Environmental Sciences Division, Oak Ridge National Luboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831 USA LDeparrment of Natural Resources and Environmental Sciences, University of Illinois, Urbana, Illinois 61801 USA ?Institute of Ecology. University of Georgia. Athens, Georgia 30602 USA -'Ecosystems Center. Marine Biological Luboratory, Woods Hole, Massachusetts 02543 USA 'Department of ...

Objectives. The objective was to determine the fracture and cyclic fatigue properties of composite–dentin beams bonded with a self-etching adhesive in four-point bend. Methods. Beams of rectangular cross-section were shaped to a size of ∼0.87mm×0.87mm×10mm and placed in a four-point bending apparatus, with the loading points 1.8 and 7.2mm apart, with the interface centered between the inner rol...

The 2023 Southeast Research and Extension Center Agricultural report includes research conducted in the areas of beef cattle management, cropping systems, forage crops. Topics include various grazing nutrient input for steers heifers; wheat, soybean, corn production practices results, as well soil health practices; burning along with efforts improvement native tall fescue range grasses.