Results 91 to 100 of about 236 (104)
[Determination of cycloxaprid and paichongding residues in foods of plant origin by ultra performance liquid chromatography-tandem mass spectrometry]. [PDF]
Se PuLiu JJ +9 more
europepmc +1 more source
, 2016 采用PCR-DGGE和比色法,在室内培养条件下研究施用不同浓度吡嘧磺隆(0.4,4,40mg/kg)对土壤真菌群落结构及土壤酶活性的影响。结果表明:施用吡嘧磺隆7d时提高了土壤脱氢酶及多酚氧化酶活性,抑制葡聚糖酶活性,真菌多样性指数无明显变化;14d时,随着施药浓度的增大,脱氢酶活性减弱,多酚氧化酶活性增强,真菌多样性指数逐渐增大。21d时,随施用吡嘧磺隆浓度增大,土壤脱氢酶和多酚氧化酶活性会降低,而土壤葡聚糖酶恢复至对照水平,真菌多样性指数增大 ...
周颖 +4 more
core