In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.
The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.
Only one herbicide, isopropylamine salt of N-Phosphonomethyl glycine proved significantly to depress the colonization of Ageratum houstonianum, a dominant weed species in the experiment field.
Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.