Effects of Land Use Change and Seasonality of Precipitation on Soil Nitrogen in a Dry Tropical Forest Area in the Western Llanos of Venezuela

Table 10

Percentage of the mineralized N accumulated in relation to total nitrogen soil in forest and pastures.

	Depth (cm)	Site
		Forest	YP	OP
/NT (%)	0–5	6.1 ± 2.3^ab	4.6 ± 3.9^a	8.5 ± 2.6^b

Mean values ± standard deviation. Different lowercase letters indicate significant differences between sites (P < 0.05). YP: 5-year-old pasture; OP: 18-year-old pasture. = N mineralized accumulated; TN = total nitrogen.