Soil microbial biomass nitrogen 第1页

Effects of different application rates of calcium cyanamide on soil microbial biomass and enzyme activity in cucumber continuous cropping. Effects of biochar and biochar-based ammonium nitrate fertilizers on soil microbial biomass carbon and nitrogen and enzyme activities Distribution characteristics of soil total nitrogen and soil microbial biomass nitrogen for the typical types of soils on the Loess Plateau DETERMINATION OF SOIL MICROBIAL BIOMASS NITROGEN BY CONTINUOUS FLOW ANALYTICAL SYSTEM Effects of wheat cultivation and fertilization on soil microbial biomass carbon,soil microbial biomass nitrogen and soil basal respiration in 26 years Effects of consecutive turnover of green manures on soil microbial biomass and enzyme activity Effects of nitrogen application rate on soil inorganic nitrogen distribution,microbial biomass nitrogen content and yield of wheat Seasonal change of soil microbial biomass and the relationship between soil microbial biomass and soil moisture and temperature Effects of long-term fertilization on microbial biomass carbon and nitrogen and on carbon source utilization of microbes in a red soil. Response of Soil Enzyme Activity and Microbial Biomass Carbon and Nitrogen to the Nutrient Addition of Stipa Baicalensis Steppe in Inner Mongolia Effects of excessive nitrogen fertilization on soil organic carbon and nitrogen and nitrogen supply capacity in dryland Comparison of soil nitrogen status among three stand types in the semi-arid areas of upper reaches of the Minjiang River Effects of subsoil bulk density on rhizospheric soil microbial population, microbial biomass carbon and nitrogen of corn (Zea mays L.) field Effects of organic materials on maintaining soil microbial biomass nitrogen Variation of soil microbial biomass carbon,soil microbial biomass nitrogen and nitrogen mineralization potential in different soil types on the Loess Plateau Short-term influences of winter crops on microbial biomass carbon, microbial biomass nitrogen and Cmic-to-Corg in a paddy soil Influence of residue composition and addition frequencies on carbon mineralization and microbial biomass in the soils of agroforestry systems Nitrogen transformation and its residue in pot experiments amended with organic and inorganic 15N cross labeled fertilizers STUDY ON THE METHODS FOR MEASURING MICROBIAL BIOMASS NITROGEN IN SOILS Characteristics of Soil Organic Carbon and Microbial Biomass Carbon and Nitrogen in Eucalyptus grandis Plantations with Different Densities Contents of soil microbial biomass nitrogen and its mineralized characteristics and relationships with nitrogen supplying ability of soils