Sunday, September 30, 2012

cowpeas + rhizobia = nitrogen

went to campus to do some fall planting this morning and i had to uproot the cowpeas ( which i had planned to do ) in order to othe new arrivals...i wanted to check the roots for nodes that would indicate the plant had indeed been producing sugars to feed the rhibozia bacteria that produced nitrogen to close the loop of plant/bacteria symbiosis...sure enough the nodes were on the roots so the wheat grass hybrids i planted in that row should have a good supply for a while...more human use of natural mechanisms...the story of our relationships with plants.

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