Fig. 3. Red clover shoot dry weight in response to 5 mmol kg-1 (5W) and 10 mmol kg-1 (10W) weekly additions of EDDS or EDTA and control soil with no chelate addition. Means of four replicates are presented; error bars represent standard error.
Fig. 3. Red clover shoot dry weight in response to 5 mmol kg-1 (5W) and 10 mmol kg-1 (10W) weekly additions of EDDS or EDTA and control soil with no chelate addition. Means of four replicates are presented; error bars represent standard error.