Variations of peroxidase, sucrose invertase and urease activity in soil from Eucalyptus coppice forest, Eucalyptus newly planted forest, shrub grassland and masson pine forest have been investigated.
研究了桉树萌生林、桉树植苗林、灌草丛和马尾松林地土壤中过氧化氢酶、蔗糖转化酶及脲酶的活性变化。
The effects of 1, 3-dichloropropene on the activities of soil urease and invertase were studied in lab.
通过室内培养试验研究了1,3 -二氯丙烯对土壤中脲酶和蔗糖酶活性的影响。
When soil water content was higher(13—19%), thebacterial numbers and urease activity in stable manure treatment was also higher.
当土壤含水量较高（13—19%）时，厩肥处理细菌数与脲酶活性皆高。
The application of organic fertilizers were contributed to increase the activities of urease, proteinase and cellulase in soil enzyme system.
施用有机肥鱼腥草有利于提高土壤脲酶、蛋白酶、纤维素酶的活性，施用化肥有利于提高土壤蔗糖酶、磷酸酶活性的。
Correlation analysis indicated that there were significantly negative correlations between soil biomass carbon and urease activity with available lead content in the soil.
土壤有效铅与土壤微生物生物量碳及土壤脲酶呈显著负相关。
Effects of urease inhibitor NBPT applied with urea on potato seedlings' growth and urea residue in soil were investigated.
研究了脲酶抑制剂NBPT与尿素配合施用对马铃薯生长过程中土壤尿素残留量和对马铃薯幼苗生长的影响。
The results show that in the same H & A, with depth of soil increasing, contents of organic matter(OM), NO-3-N, available phosphor(AP) and urease decreased respectively.
结果表明，对于同一封育年限的油松林地，土壤有机质、硝态氮、速效磷和脲酶含量随采样深度增加而减小；
This paper deals with the influences of herbicide mefenacet on soil respiration and the activities of dehydrogenase, catalase , urease, proteinase and phosphorylase in paddy soil.
研究了除草剂苯噻草胺对水稻田土壤呼吸强度和酶活性的影响。
Totally, soil catalase and polyphenol oxidase activity increased, while soil urease activity declined in deeper soil, the extent were different among temperatures and litter types.
随着土壤深度增加，土壤过氧化氢酶和多酚氧化酶活性增大，而脲酶活性降低。
Path analysis indicated that total saponins of rhizome mainly affected by alkaline nitrogen in soil rhizosphere, secondly by soil organic matter and soil urease activity.
通径分析结果表明，滇重楼总皂苷含量主要受其根际土壤碱解氮的影响，其次为土壤有机质和脲酶活性。
Path analysis indicated that total saponins of rhizome mainly affected by alkaline nitrogen in soil rhizosphere, secondly by soil organic matter and soil urease activity.
通径分析结果表明，滇重楼总皂苷含量主要受其根际土壤碱解氮的影响，其次为土壤有机质和脲酶活性。
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