Fig. 3
From: Soil phosphorus availability as affected by root exudates of cover crop species
(a) effect of species × P interaction on water extractable P in mg P kg−1 soil at 35 days (b) main effect of P treatment on water extractable P in mg P kg−1 at 70 days (c) effect of species × P interaction on P sorption in mmol P kg−1 soil at 35 days (d) main effect of P treatment on P sorption in mmol P kg-1 soil at 70 days (e) effect of P on oxalate extract P at 35 days (f) effect of species × P interaction on oxalate extract P at 70 days. (Po = Poaceae, Fa = Fabaceae, Br = Brassicaceae) Bar with different letters indicate significant differences between treatments.
