使…变重
1.To add to, by or as if by attaching a weight; make heavy or heavier.
2.The results of field trial in two years indicated that when rape seedlings were treated with uniconazde,seed bed was utilized more efficiently,and “tall-legged seedling"、“curved neck seedling"were prevented;leaves became thicker and greener,root system developed better;desease resistance was increasd,and the yield raised.The suitable ime.dosage applied technique of uniconazde were introduced in this paper.?

