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2009-05-23 11:27:09

While proving a long-held theory that suberin blocks water and nutrient absorption in plants, a Purdue University scientist learned more about manipulating the substance to better feed plants. It has long been believed that suberin, a waxy substance between some plant cells, acts as a barrier for the movement of water in a plant's roots. David E. Salt, a professor of plant molecular physiology, discovered a mutant form of the plant Arabidopsis - enhanced suberin 1 or ESB1 - with twice as much...

2008-07-24 03:00:50

By Ozenc, Damla Bender This study was carried out to determine effects of composted hazelnut husk (CHH) on tomato seedlings grown under water stress conditions. Seven media were prepared using CHH mixed, in different ratios, with native peat and perlite. The following mixtures were used: 100%CHH, 100%peat, 75%CHH+25%peat, 50%CHH+50%peat, 25%CHH+75%peat, 25%CHH+50%peat+25%perlite and 50%CHH+25%peat+25%perlite. The experiment was arranged in a randomized plot design with seven media, three...


Word of the Day
jument
  • A beast of burden; also, a beast in general.
'Jument' ultimately comes from the Latin 'jugum,' yoke.
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