| 摘要 |
1,271,005. Selective control of plants using a substituted urea. CIBA-GEIGY A.G. 5 Dec., 1969 [10 Dec., 1968], No. 59611/69. Heading ASE. A method of selectively controlling undesirable plant growth in cultures of cotton, soyabeans and grain, comprises applying to a culture a compound of formula: Examples illustrate the use of the N-(paratrifluoromethyl phenyl)-N'-methyl-N'-isobutinyl-urea in pre-emergent treatment.
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