Silvopastoral Systems Enhance Soil Quality in Grasslands of Colombia

Table 2

Number of soil subsamples collected and composite samples associated with plant species in silvopastoral systems in the Sinu River Valley, Colombia.

System	Composition	Plant species	No. of subsamples per plant species in each plot	No. of subsamples per plant species in each system	No. of composite samples per system
A0	Pasture	D. aristatum	40	240	6
		P. maximum	40
A1	Pasture and trees	G. ulmifolia	40	360	9
		C. grandis	40
		A. saman	40
A2	Pasture, trees, and shrubs	G. ulmifolia	40	360	9
		C. grandis	40
		A. saman	40
A3	Pasture, trees, shrubs, and timber trees	G. ulmifolia	40	600	15
		C. grandis	40
		A. saman	40
		P. quinata	40
		S. macrophylla	40
Total			520	1560	39