Volume 39 Issue 1, March 2018
35
fixing efficiency of the nodules. Furthur, they reported that
N
2
fixation is more sensitive to the effect of waterlogging
than plant growth. Low soil moisture conditions at early
stages affects the rhizosphere colonization and nodule
formation by
Rhizobium
whereas water stress at the late
vegetative stage decreases the nitrogen fixation efficiency
of nodules. Lower dry weight of nodules was reported where
irrigation was given 15 days before sowing as compared to
7 days before sowing due to moisture stress during crop
growth (Singh
et al,
2011) in chickpea.
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