Dynamic changes of enzyme in rhizosphere soil of Aconitum carmichaeli> at various growing stages Effects of NBPT urease inhibitor on ammonia volatilization in paddy fields with wheat straw application Effect of organic management on soil fertility and melon production in irrigated oasis farmlands Effects of green manure application combined with chemical fertilizers on microbial biomass C, N and nitrogen supplying characteristics of tobacco-planting soils Eco-toxicological effect of fenvalerate on soil urease activity in subtropical orchards Studies on urease activities of rhziosphere soil of legume Changes of N metabolism in water spinach after applying quinhydrone in soil The Correlation Between the Substrate Enzymatic Activities and Purification of Wastewater in the Integrated Vertical Constructed Wetland Yield and nutrient balance of lettuce as influenced by reduced and optimized nitrogen application Enzymological regulation of soil nutrient cycle in the piedmont region of North China Plain Increasing nitrogen conservation by adding urease inhibitor NBPT to chicken compost manure Study on prolonged effect of humic acid-urea (long-term urea) on maize Effect of humic acid-urea complex on urea transformation and nitrogen release Soil respiration and its regulating factors in the Phyllostachys edulis forest of west Tianmu Mountain, China Nickel — A nutrition element for higher plant growth Highest potential of subtracting nitrogen fertilizer through addition of urease inhibitor NBPT in double-cropping paddy fields Transformation of long-lasting UHA in soil and its effect on maize yield Changes of chlorophyll fluorescence kinetics in water spinach after applying quinhydrone in soil Effect of urease inhibitor hydroquinone on urea-N transformation in soil Evaluation on environmental effect of the urease inhibitor hydroquinone Effects of environmental factors on the growth and urease activity of the harmful dinoflagellate Prorocentrum donghaiense A preliminary study on the relationship between soil urease activity and soil fertility in the grazing grasslands of Yongchang county, Gansu province Effects of long-term fertilization on soil microbial biomass carbon and nitrogen and enzyme activities during maize growing season Effects of elevated atmospheric CO2 and nitrogen application on cotton biomass, nitrogen utilization and soil urease activity. Effect of combination of thiourea and inhibitors on soil urea-Ntransformation and corn yield Effects of 1,3-dichloropropene on soil microbial population and enzyme activities Primary Study on the Soil Urease Activity in Three Main Plant Communities in the Songnen Meadow Soil invertase and urease activities at different periods in subalpine forest gap in western Sichuan Mitigation effect of several controlled-release N fertilizers on ammonia volatilization and related affecting factors Effects of different nitrogen forms on microbial quantity and  enzymes activities in soybean field Ammonia volatilization characteristics and related affecting factors of humic acid urea The distribution of urea concentrations and urease activities in the coastal waters of Hainan Island during the spring Characteristics of Nitrogen Metabolism and Soil Nitrogen of Invasive Plants Urease Activity in the Loess Hilly Grassland Soil and its Relationship to Soil Property Relationship between Urease Activity and Urea Application Rate in Alpine Regions Studies on Soil Microbial Populations and Enzyme Activities of Degraded Hilly Meadow under Different Vegetative Restoration Measures in Yunnan Province Effects of urease and nitrification inhibitors on alleviating the oxidation and leaching of soil urea‘s hydrolyzed product ammonium Effect of arsenic on soil urease activity Dynamics of urease activity in a long-term fertilized black soil and its affecting factors Effect of atrazine on urease activity in soils with different fertility Effects of urease and nitrification inhibitors on ammonia volatilization from paddy fields Effects of acetochlor on soil urease kinetic characteristics Cloning,Expression and Purification of Urease B Subunit of Helicobacter pylori EFFECTS OF PLANT UREASE INHIBITOR ON CROP NUTRITION AND SOIL CHARACTERS Amylase and Urease Contents in the Soil of Cropland-Turned Grassland in the Agro-pastoral Zone Synergistic effect of urease inhibitor and nitrification inhibitor on urea-N transformation and N2O emission Effects of urease/nitrification inhibitors on soil available N and microbial biomass N and on N uptake of wheat Soil urease activity during different vegetation successions in karst peak-cluster depression area of northwest Guangxi, China Dynamic changes of enzyme in rhizosphere soil of Aconitum carmichaeli at various growing stages Soil basal respiration and enzyme activities in the root-layer soil of tea bushes in a red soil Effects of mercury and cadmium on the activity of urease in soils ⅠUrea concentration EFFECT OF PADDY UREASE INHIBITORS ON FATE OF 15 N UREA