Soil urease activity of rhizosphere is higher than that of non-rhizosphere;
根际土壤脲酶活性高于近根际土壤；
Subsoiling returning could significantly increase soil urease activity and sucrase activity.
深松耕还田显著提高土壤脲酶、蔗糖酶活性。
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。
The SAPs have some form of influence on soil urease activity, which correlates with soil nitrogen transformation.
此外，保水剂对土壤脲酶活性有一定影响，其变化与氮素转化有关；
Soil urease had appreciable impact on soluble Fe which indicated that soil urease can be used as the indicator of soluble Fe.
脲酶对有效铁有显著的影响，因此脲酶可以作为有效铁的衡量指标。
The equation among Lou soil and Heilu soil urease activity and time and their buffering values is quadratic linear regression equation.
土娄土、黑垆土脲酶活性与时间及土壤缓冲量之间的关系为二元线性回归方程。
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。
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。
Urease activity falls with the soil depth.
脲酶活性随土壤深度加深而降低。
The activities of soil dehydrogenase, alkaline phosphatase, urease and sucrase decreased with the time of incubation.
土壤脱氢酶、碱性磷酸酶、脲酶及蔗糖酶活性均随培养时间延长而降低。
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。
Soil fungi number and urease activity were negative correlation with soil available potassium content.
土壤真菌数量、脲酶活性与有效钾含量呈负相关。
The contents of soil alkali hydrolyzable nitrogen were increased by plant urease inhibitor under two cultivated condition.
植物性脲酶抑制剂能提高两种作物的土壤碱解氮含量。
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。
The influence on soil of urease, sucrase, catalase activity, EC value, rapidly available phosphorus was also studied.
以及磷用量对土壤脲酶、蔗糖酶、过氧化氢酶、EC值、速效磷的影响。
Similarily, the soil hydrogen peroxidase, urease and phosphatase activities were increased obviously.
显著增强土壤过氧化氢酶、脲酶和磷酸酶活性。
Under the same parent material condition, urease activity was significantly correlated with forming time and maturity of soil.
在母质相同的情况下，脲酶活性高低又与成土时间的长短和土壤熟化程度呈正相关。
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；
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。
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。
Effect of genera carboxylic acid on urease, ammonification, nitrification of brown soil was studied through an indoor incubated test.
文章通过室内培养实验，研究了类羧酸对棕壤中与氮素转化有关的生物活性的影响。
Effect of genera carboxylic acid on urease, ammonification, nitrification of brown soil was studied through an indoor incubated test.
文章通过室内培养实验，研究了类羧酸对棕壤中与氮素转化有关的生物活性的影响。
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