(Table 2, Fig. 1). A
significant decrease in total available N was observed after
flooding
till the topdressing (11 and 10 July, respectively in 2011 and 2012),
in particular in NH4
+ form. Immediately after topdressing and
maintaining the
flooding condition, the total available N
significantly increased from 4.9 to 5.8 mg N kg1, but decreased
thereafter till the maturity. Overall, the total available N
(Table 2, Fig. 1). A
significant decrease in total available N was observed after
flooding
till the topdressing (11 and 10 July, respectively in 2011 and 2012),
in particular in NH4
+ form. Immediately after topdressing and
maintaining the
flooding condition, the total available N
significantly increased from 4.9 to 5.8 mg N kg1, but decreased
thereafter till the maturity. Overall, the total available N
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