The Scientific World Journal / 2012 / Article / Tab 1

Research Article

Ammonia Volatilization from Urea-Application Influenced Germination and Early Seedling Growth of Dry Direct-Seeded Rice

Table 1

Chemical and physical properties of the soils used in Petri dish incubation and field experiments.

ParameterPetri dish experimentField experimentAve. S.E
Soil ISoil IISoil IIISoil IV

pH4.87.37.96.50.02
Organic C (g/kg)10.510.27.016.20.13
Total N (g/kg)1.351.241.021.980.015
Olsen P (mg/kg)8.424.09.718.30.31
Available K (mg/kg)89150108620.2
CEC (cmolc/kg)8.511.09.349.90.18
Clay (%)233017100.95
Silt (%)744670640.88
Sand (%)32413260.55

Soil I, II, and III were collected from fields where tea plant, wheat, and vegetables were grown, respectively.
Soil IV was the field experiment soil in this study.

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