Table 3.

Soil properties

Soil	Properties	Value
La Puebla del Río	Particle size distribution (%)	Sand	Silt	Clay
		3.8	53.5	42.7
	Texture	Silty clay
	Organic matter (%)	7.2
	pH	8.3
Los Marines	Particle size distribution (%)	Sand	Silt	Clay
		20.6	58.2	21.2
	Texture	Silt loam
	Organic matter (%)	5.1
	pH	5.9
Almonte	Particle size distribution (%)	Sand	Silt	Clay
		86.2	12.4	1.4
	Texture	Loamy sand
	Organic matter (%)	1.5
	pH	6.5