1. Call-for-Commentaries for 'The potassium paradox: Implications for soil fertility, crop production and human health' by S.A. Khan, R.L. Mulvaney and T.R. Ellsworth. Issue 1 (10th October 2013) Authors: Francis, Charles A.; Jin, Virginia L.; Kirschenmann, Frederick L. Journal: Renewable agriculture and food systems Issue: Volume 29:Issue 1(2014) Page Start: 1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗