UPF-DTEVPF;
Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria;
INIA;
Ctra.A Coruna;
km 7.528040 Madrid;
Spain;
Dpto.Proteccion Vegetal;
Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria;
INIA;
Ctra.A Corun a;
km 7.5;
28040 Madrid;
Spain;
Organic matter turnover; Colour humic substance(HS)by reflection; Colour HS by transmission; Humification index; Mediterranean Quercus species;