Table 3.

Botanical efficiency in the summerseason

Family group	n	Abundance index		Efficiency in processing (%)
		Before treatment	After treatment
Experimental	45	0.02	0.00	100
36	0.01	0.00	100
39	0.01	0.00	100
16	0.05	0.00	100
Control	12	0.03	0.04	0.00
7	0.02	0.02	0.00
3	0.03	0.04	0.00