| 摘要 |
The invention relates to herbicidal associations which are selective in maize crops and are suitably formulated and contain various herbicides which are currently recognised as selective in this crop and conveniently prepared on the basis of 3-cyclohexyl-1,5,6,7- 3hexahydro-2H-cyclopentapyrimidine-2,4(3H)dione, the latter being used at dosage rates from 150 g to 1,500 g of active ingredient per hectare, before sowing with incorporation, or pre-emergence of the crop and the weeds, or post-emergence.
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