Soil management effects on runoff, erosion and soil properties in an olive grove of Southern Spain.

Rainfall, runoff and soil loss from 6 m × 12 m plots were recorded during 7 years (2000†“2006) in an experiment in which three different soil management systems were compared in a young olive grove installed on a heavy clay soil, near Cordoba, Southern Spain. No-tillage (NT) system, kept weed-free with herbicides, cover crop (CC) of barley, and conventional tillage (CT).