Figure 3

Unit land output for gross carbohydrate, solubilized carbohydrate, gross protein, and soluble protein as a function of harvest time (A and C: no added nitrogen, B and D: 60 kg/ha nitrogen).
Unit land output for gross carbohydrate, solubilized carbohydrate, gross protein, and soluble protein as a function of harvest time (A and C: no added nitrogen, B and D: 60 kg/ha nitrogen).