Fig. 2From: Biochar application and no-tillage practices to minimize the residues of herbicides in the seeding holeSoil plant analysis (SPAD) values showing leaf chlorophyll content of winter wheat seeds (cv. Isengrain) after 12th of seeding. Every data point show average treatment values of four independent replicates. Error bars indicating standard error. Different letters indicating significant differences (α = 0.05)Back to article page