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NOTE: To get off this list, send email to majordomo@aqua.ccwr.ac.za with the body of the message containing the line: unsubscribe sowacs Another source for mini-tensiometers, specially designed for greenhouse and near-surface field applications, is SDEC-France. The mini-tensiometers have small ceramic cups attached to the water reservoir via a length of flexible tubing. Ceramic cups range in size from 2.2 mm to 13 mm in diameter. More information about these mini-tensiometers can be found at the SDEC-France website (www.SDEC-France.com), or at the web site of their dealer for the Americas, Earth Systems Solutions (www.EarthSystemsSolutions.com). Ken Fisher Earth Systems Solutions California, USA > > Irrometer - Riverside, California, US, produces very small tensiometers. > You should contact Bill Pogue at Irrometer@aol.com > > or visit their web page : http://www.irrometer.com > Dorota > ============ > Soilmoisture Equipment Corp make the Quickdraw tensiometer > which is portable and has a very small tip and quick > response. Have a look at their website, > http://soilmoisture.com/ there should be a PDF file on using > the quickdraw and a link to a German dealer. > > > > >Dear Sir/Madam, > > > >I would like to ask for further information about tensiometers for > >determining different levels of water regimes. > > > > A special restriction is that, because my plants are growing under > >greenhouse conditions, the containers is which they grow are relatively > >small. Their diameter is about 35cm, and their depth about the same. In this > >case, I would like to ask if relatively small tensiometers are also > >available for measurements in containers of these diamensions. > > > >I would be greatful if you could reply as soon as possible > >With best regards, > >Mariangela Fotelli > > > >[Mariangela. As it happens, one of my projects at university involved making > >up mini-tensiometers - which worked as well as larger tensiometers. > >I have posted your request out on sowacs and the members will no doubt > >provide more information on sources and references. > >Bruce] > > > > > >Mariangela Fotelli > >Insitute for Tree Physiology > >79085 Freiburg i. Br. > >Germany > >Tel.: 0049-761-2038308 > >Fax.: 0049-761-2038302 > > > > > Dr. Dorota Z. Haman, Professor > Department of Agricultural and Biological Engineering > 115 Rogers Hall, PO Box 110570 > University of Florida > Gainesville, FL 32611-0570 > phone: (352) 392-8432 > FAX: (352) 392-4092 > dorota@agen.ufl.edu