Click on “Download PDF” for the PDF version or on the title for the HTML version. If you are not an ASABE member or if your employer has not arranged for access to the full-text, Click here for options. Interaction of Gel with Soybean SeedsPublished by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org Citation: Applied Engineering in Agriculture. 5(4): 496-500. (doi: 10.13031/2013.26550) @1989Authors: Angela Castaldi, Gary W. Krutz Keywords: Double cropping, Hydrophilic gel, Water-holding gel Hydrophilic gels have been used as a water holding media for seeds and seedlings. Chemical and physical reactions have occurred with some gels. Physical properties of commercially produced, and naturally occurring gels were evaluated. Pourability, pH, surface tension, water activity and density were determined for several concentrations of each gel. The following gels were studied to determine the best gel for coating double-cropped soybeans: Super Slurper, Staley Starch, Viterra, Kelco, Dycol 4000FC, Finn A1000SA, Finn 1000A, Favor and Laponite 550. Double-cropped soybeans planted with a gel overlay had faster emergence times than seeds planted dry. The optimum pH for gel overlaying is 7 to 9. Surface tension, water activity, and density were consistent among all gels. Water applied at a rate of 2cc (0.067oz) per soybean seed improved emergence over dry seeds in a dry soil. (Download PDF) (Export to EndNotes)
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