除草剂污染 meaning in English

pollution of herbicide

67 - 154 . 02 % ( no determinate in paddy field on quaternary red clay ) , respectively . after organic amendments and fertilizers were added to the metsulfuron - methyl - contaminated soils , microbiai biomass c increased by 0 . 23 - 113 . 14 % in paddy field on desalting muddy polder , 0 . 30 - 46 . 48 % in blue clayed paddy , and 1 . 82 - 83 . 76 % in paddy field on quaternary red clay , respectively , microbiai biomass n in correspoading soils by 4 . 27 - 67 . 87 % , 5 . 43 - 58 . 36 % and 5 . 05 - 95 . 40 % , respectively , and microbiai biomass p by 6 . 03 - 139 . 59 % 4 . 09 - 141 . 26 % ( no determinate in paddy field on quaternary red clay ) , respectively
( 4 )添加有机、无机物质后，劳去津除草剂污染的三种土壤中微生物生物量碳、氮随培养时间变化的趋势基本一致，即0 ~ 7d微生物生物碳、氮降低，但第7d时，添加有机、无机物质的处理中微生物生物量碳、氮均高于仅加养去津的处理和空白对照; 7 ~ 14d微生物生物量碳、氮迅速增加; 14 ~ 42d又下降， 42d后变化较小。