Table 2.

Correlations among the measured parameters in the experiments.

Characteristics	1	2	3	4	5	6	7	8	9	10	11	12
1. Photosynthesis	1
2. PNUE	0.04	1
3. Nitrogen	0.85*	-0.47	1
4. C:N ratio	-0.73*	0.55	-0.91**	1
5. Chlorophyll a	0.77**	-0.38	0.88**	-0.81**	1
6. Chlorophyll b	0.77**	-0.38	0.88**	-0.81**	0.90	1
7. T. Chlorophyll	0.77*	-0.38	0.88*	-0.81*	0.90	0.90	1
8. TSS	-0.69*	0.43	-0.83**	0.81**	-0.88**	-0.88**	-0.88**	1
9. Starch	-0.48	0.26	-0.55**	0.57**	-0.72**	-0.72**	-0.72**	0.88*	1
10. TNC	-0.58*	0.34	-0.69*	0.69*	-0.81*	-0.81*	-0.81*	0.96**	0.98**	1
11. Flavonoids	0.77**	-0.38	0.88**	-0.81*	0.90**	0.90**	0.90**	-0.88*	-0.72**	-0.80**	1
12. Phenolics	0.77**	-0.38*	0.88**	-0.81*	0.90**	0.90**	0.90**	-0.88*	-0.72*	-0.81*	1.00	1

* and ** respectively significant at P ≤ 0.05 or P ≤ 0.01.