date:Mar 25, 2013
gel is already being used by public and private institutions for plantations of forest species, especially eucalyptus, in areas where high temperatures can surpass 40 degrees Celsius, and the soil is poor and sandy.
Other uses of hydrogel
Chinese scientists of the Tianjin University of Science and Technology developed a spray coating for bananas that delays their ripening process and extends their lives.
Scientists coated green bananas with a hydrogel made with polyvinyl alcohol (PVA) and ch