Soil microcosms (19 cm diameter by 30 cm deep) were packed to appropriate soil densities with sieved, homogenised soil, collected from a field that had previously been degraded by long term arable cropping.
Soil microcosms (19 cm diameter by 30 cm deep) were packed to appropriate soil densities with sieved, homogenised soil,collected from a field that had previously been degraded by long term arable cropping.