Table 4 Interactive function between treatments and sampling times on nitrogen derived from soil and urea in different nitrogen pools based on the two-way ANOVA analysis.

From: Effect of straw and inhibitors on the fate of nitrogen applied to paddy soil

 

STN

SNH4+

SFA

SMBN

SDON

STDN

UTN

UNH4+

UFA

UMBN

UDON

UTDN

Treatment

***

***

***

***

***

***

***

***

***

***

***

***

Sampling times

N

*

N

***

**

N

***

***

N

*

***

**

Sampling time* treatment

N

***

**

***

**

***

***

***

N

N

**

**

  1. STN: Soil total nitrogen; SNH4+: Soil ammonia nitrogen; SFA: Soil fixed ammonia; SMBN: Soil microbial biomass nitrogen; SDON: Soil dissolved organic nitrogen; STDN: Soil total dissolvable nitrogen; UTN: Urea-derived total nitrogen; UNH4+: Urea-derived ammonia nitrogen; UFA: Urea-derived fixed ammonia; UMBN: Urea-derived microbial biomass nitrogen; UDON: Urea-derived dissolved organic nitrogen; UTDN: Urea-derived total dissolvable nitrogen.
  2. *P < 0.05; **P < 0.01;***P < 0.001; N: P > 0.05.
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