Fig. 3.
Relationship between the capacitance of wheat plants of different cultivars grown in sand columns and their root dry mass. The linear regression is y = 0·416x + 0·149 (n = 67, R2 = 0·753).
Relationship between the capacitance of wheat plants of different cultivars grown in sand columns and their root dry mass. The linear regression is y = 0·416x + 0·149 (n = 67, R2 = 0·753).