highly significantP < 0.05
After supplementary irrigation during the 11-leaf stage, the effects of the planting density and irrigation mode on Pn were significant or highly significant in both years ( P < 0.05 or P < 0.01).
After supplementary irrigation during the 11-leaf stage, the effects of the planting density and irrigation mode on Pn were significant or highly significant in both years ( P < 0.05 or P < 0.01).