Physical Quality and Porosity Aspects of Amazon Anthropogenic Soils under Different Management Systems

Table 1

Soil particle distribution and organic matter of the Archaeological Dark Earth at 0.0–0.20 m depth layer with different soil managements at Novo Aripuanã, Amazonas.

Soil management	Sand	Silt	Clay	SOM
	g·kg^−1
Native forest	707.06	197.77	95.17	36.66
Pigeon pea	755.39	159.25	85.36	39.66
Pasture	749.6	166.93	83.46	36.56