APPLICATIONS OF ISOTOPIC TRACER IN ANALYSIS OF RESIDUAL SULFONYLUREA HERBICIDE Advance in the research on the mechanism of degradation of sulfonylurea herbicides in soils Effect of sulfonylurea herbicides on the acetolactate synthases activity between resistant and susceptive biotypes of Monochoria korsakowii The Effect of Chemical Hybridizing Agent EXP on Oilseed Rape Evaluation of Male-Sterility Induction Effect of Various Amino Acid Biosynthesis Inhibiting-Herbicides on Rapeseed (Brassica napus) Clinical observation of Trigonella foenum-graecum saponin combining sulphanylureas on 36 cases of type 2 diabetes mellitus