2.1.1. Experimental set-up and conditions
The greenhouse experiment took place in a sandy soil (90% sand,
1% silt, 9% clay; bulk density 1.7 g cm−3; saturated hydraulic conductivity,
Ks, of 10 cm h−1; sorptive number, ˛, of 0.04 cm−1) in the
Besor experimental station, Israel (31◦ 15 N, 34◦ 25 W).