Tillage Effects on Soil Biochemical Properties and Maize Grown in Latosolic Red Soil of Southern China

Table 5

Pearson’s correlation coefficients among chemical and biological activities under tillage methods.

	pH	Organic C	Available N	Available P	Available K	Catalase	Acid phosphatase
SOC	0.728
AN	0.814	0.934
AP	0.611	0.891	0.914
AK	0.658	0.920	0.941	0.952
CT	0.697	0.896	0.955	0.950	0.960
AcP	0.636	0.900	0.916	0.938	0.938	0.932
UR	0.808	0.916	0.967	0.910	0.937	0.957	0.921

correlation is significant at the 0.01 level; OC: organic carbon; AN: available nitrogen; AP: available phosphorus; AK: available potassium; CT: catalase; AcP: acid phosphatase; UR: urease.