Table 2: Pearson correlation coefficient values between soil characteristics and the dry matter of Cyperus and Imperata in their respective high density quadrate placement.

Cyperus biomass Imperata biomass

Clay
Silt 0.62*
Sand0.22
C 0.39
N
Pa0.550.48
Pt
Mg
K0.060.73**
Ca −0.84**
Na 0.54
Fe0.03−0.88**

significant at 10%; **significant at 1%.