Effects of cyhalothrin with different concentration on urease and catalase activities in tobacco planting soil were analyzed by lab simulation .
采用室内模拟方法,研究了不同浓度功夫菊酯对植烟土壤脲酶和过氧化氢酶活性的影响。
The results showed the soil enzymatic activities decreased significantly with increase of contamination of heavy metals , especially dehydrogenase and urease activities .
结果表明,污染区土壤酶活性随着重金属污染程度的加剧而显著降低,其中脱氢酶和脲酶活性下降最明显。
Path analysis between soil urease activity and nutrient contents of natural wetland in yellow river delta .
黄河三角洲冲积平原湿地土壤尿酶活性与养分通径分析。
The activity of soil urease , acidphosphotase and invertase weakened with increase of soil depth .
各林地土壤脲酶、酸酶和转化酶随着土壤剖面的加深,其活性减弱。
The effects of phenol on the number of microorganisms and activities of protease and urease were studied .
研究了苯酚对土壤中微生物数量及蛋白酶和脲酶活性的影响。
The overall differences of soil enzyme activities were significant , of which the proteinase and urease were the most significant .
土壤酶活性总体差异显著,其中差异明显的是蛋白酶和脲酶。
It is apparent that the value of controlled-release nitrogen and urease inhibitors is most evident in situations where rapid incorporation is impossible or undesirable due to time constraints or selection of residue and soil conserving tillage systems .
Incubation test results showed that thiourea and inhibitors combination took on a conspicuous inhabitation on urease activities with a valid inhabitation period being two weeks .
培养试验表明,硫脲及抑制剂组合对土壤脲酶活性有显著的抑制作用,抑制时间为2周。
Microbial biomass had a decreasing trend with the increase of grazing intensity . Soil urease , catalase , invertase , and protease had a decreasing trend accompanied with the increase of grazing intensity .