Effects of distribution of fore-anthesis carbon assimilates of wheat under soil dry-wet alternation MOBILZATION AND DISTRIBUTION OF CARBON ASSIMILATES OF WHEAT UNDER WATER DEFICITS Effect of Partial-root Supply of P Nutrient on the Growth and Assimilate Distri bution of Wheat Seedlings The Effects of Uniconazole Waterless Seed Dressing on Photosynthesis and 14C Assimilate Distribution in Wheat