Effect of Potassium Hydrogen 1-Triacontyl Phosphate (TPK) on Resistance Disease and Increasing Yield of Rice

Potassium Hydrogen 1-Triacontyl Phosphate(TPK)is a new kind of plant growth promoter. It can promot rice growth .Increase the number of effective grains of per ear, Increase the weight of grains,Make rice early maturing 4 - 5d,Increase yield by19. 8%,Relieve rice blast and false smust.