Research Article

Rice Yield Improvement by Sugarcane Filter Cake Fertilizer Application in the Protected Dyke

Table 2

Some physicochemical parameters of rice-growing soils.

No.Target/unitContent/value

1pHH2O (1 : 2.5)5.87
2pHKCl (1 : 2.5)4.8
3EC 1 : 2.5 (mS/cm)0.6
4Organic carbon (%C)2.0
5Total N (%N)0.175
6Total P (%P2O5)0.088
7Available P (mg P/kg)17.89
8Exchangeable K (meq/100 g)0.116
9Exchangeable Na (meq/100 g)0.167
10Exchangeable Ca (meq/100 g)12.5
11Exchangeable Mg (meq/100 g)4.81
12Exchangeable Al (meq/100 g)ND
13Soil texture (%)
 Sand2.76
 Silt41.57
 Clay55.68

Note: ND, not detected.