M. A. Díaz-Burgos

EFFECT OF FALLOW LAND, CULTIVATED PASTURE AND ABANDONED PASTURE ON SOIL FERTILITY IN TWO DEFORESTED AMAZONIAN REGIONS

C. Cerri, B. Feigl, A. Polo, 1997 .

Monitoring biochemical activity during sewage sludge composting

A. Polo, B. Ceccanti, M. A. Díaz-Burgos, 1993, Biology and Fertility of Soils.