"5016","10","archive","14",,,"disk0/00/00/50/16","2011-12-17 06:31:33","2011-12-17 06:31:33","2011-12-17 06:31:33","article",,,"show","Library-ICRISAT@cgiar.org",,,"","","","","","","","","","",,,,"Lee","K K","","","","","","","Lee","K K",,,"","",,,,,"","",,,,,"","","ICRISAT(Patancheru)","India","Associative N2-fixation in pearl millet and sorghum: levels and response to inoculation.
","pub","S1.5","","","restricted",,,,,,"N2-fixation was compared in pearl millet (Pennisetum glaucum), sorghum, pigeonpeas, chickpeas, and groundnuts and the responses of the two cereal crops to inoculation with N2-fixing bacteria was examined. The overall mean nitrogenase activity (C2H2 reduction) in pearl millet throughout the growing period was less than 0.1% of that in pigeonpeas and the activity in sorghum was only 1.3% of that in chickpeas. Whether assessed by the determination of the N balance in pots, using pigeonpeas as reference, or by the measurement of the natural abundance of 15N (δ15N) using groundnuts as reference, N gain by these cereals, even when they were inoculated with N2-fixing bacteria was not observed. Inoculation trials were conducted in pots and in the field with Azospirillum lipoferum and Azotobacter chroococcum. Only one trial with sterilized soil in pots showed a significant response to inoculation. It is concluded that associative N2-fixing systems in pearl millet and sorghum do not exert an agronomically significant impact through N input on the production of these crops.

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"5016",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"Wani","S P","","",,,,,"Wani","S P",,,,,,,,,,,,,,,,,"National Agriculture Research Center","Japan",,,"s1.4",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
"5016",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"Yoneyama","T","","",,,,,"Trimurtulu","N",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
"5016",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"Trimurtulu","N","","",,,,,"Harikrishnan","R",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
"5016",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,"Harikrishnan","R","","",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,