根际土壤脲酶活性高于近根际土壤；
Soil urease activity of rhizosphere is higher than that of non-rhizosphere;
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；
The SAPs have some form of influence on soil urease activity, which correlates with soil nitrogen transformation.
随灌水次数增加，所有处理的土壤脲酶活性都有明显减少，与淋溶液氮素淋出量趋势相同。
The activities of urease of all the samples are lower with the time, and the trend is the same as the Leaching Less of urea.
脲酶活性随土壤深度加深而降低。
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 effects of 1, 3-dichloropropene on the activities of soil urease and invertase were studied in lab.
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。
When soil water content was higher(13—19%), thebacterial numbers and urease activity in stable manure treatment was also higher.
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。
The activities of soil dehydrogenase, alkaline phosphatase, urease and sucrase decreased with the time of incubation.
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。
The equation among Lou soil and Heilu soil urease activity and time and their buffering values is quadratic linear regression equation.
深松耕还田显著提高土壤脲酶、蔗糖酶活性。
Subsoiling returning could significantly increase soil urease activity and sucrase activity.
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。
Under the same parent material condition, urease activity was significantly correlated with forming time and maturity of soil.
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。
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.
土壤真菌数量、脲酶活性与有效钾含量呈负相关。
Soil fungi number and urease activity were negative correlation with soil available potassium content.
显著增强土壤过氧化氢酶、脲酶和磷酸酶活性。
Similarily, the soil hydrogen peroxidase, urease and phosphatase activities were increased obviously.
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。
The application of organic fertilizers were contributed to increase the activities of urease, proteinase and cellulase in soil enzyme system.
玉米收获后，土壤转化酶、脲酶均高于播前或与播前相当，而酸性磷酸酶活性则低于播前。
Urease and invertase activities were higher after harvest than before sowing, however acid phosphatase activity was lower after harvest.
随退化程度的加大，土壤蔗糖酶、脲酶、多酚氧化酶活性均降低。
With the increase of the greasing intensity, the activity of soil sucrose, unease and polyphone oxidize all decrease.
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.
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。
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.
结果表明，天然草地土壤施氮肥后，脲酶与蔗糖酶活性受到抑制，而磷酸酶活性受到促进；
The experiment results showed as follows: The activity of urease and sucrase were inhibited and the activity of phosphatase was advanced as applying nitrogenous fertilizer.
结果表明，天然草地土壤施氮肥后，脲酶与蔗糖酶活性受到抑制，而磷酸酶活性受到促进；
The experiment results showed as follows: The activity of urease and sucrase were inhibited and the activity of phosphatase was advanced as applying nitrogenous fertilizer.
应用推荐