total nitrogen 第1页

Removal Ability of Floating Macrophytes on N and P from Eutrophicated Water Removal Ability of Three Submersed Macrophytes on Nitrogen and Phosphorus from Water Threshold of nitrogen application in paddy soils in the northern area of Erhai Lake 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 Distribution characteristics of organic carbon and total nitrogen in dry farmland soil aggregates under different tillage methods in the Loess Plateau of central Gansu Province Estimating Wetland plant leaf total nitrogen content based on optimal bands of reflectance from wetland vegetation Monitoring changes of soil organic matter and total nitrogen in cultivated land in Guangxi by remote sensing THE BUDGET BETWEEN TRANSPORTATION AND ACCUMULATION OF ORGANIC CARBON AND TOTAL NITROGEN IN BLACK SOIL AT A SLOPING FARMLAND Prediction of total nitrogen and alkali hydrolysable nitrogen content in loess using hyperspectral data based on correlation analysis and partial least squares regression. Carbon and nitrogen distributions and microbial characteristics in the soils of four types of wetlands in Sanjiang Plain, Northeast China. Accumulation of soil organic carbon and total nitrogen in Pinus yunnanensis forests at different age stages. Spatial heterogeneity in soil carbon and nitrogen resources, caused by Caragana microphylla,in the thicketization of semiarid grassland,Inner Mongolia Effects of Soil Nitrogen Content on Tree Diversity in Xishuangbanna Tropical Seasonal Rain Forest Effect of regulated deficit irrigation on soil nitrogen in spring wheat fields Distribution of soil organic carbon and nitrogen in water-stable aggregates of anurial loess soils under long-term various fertilization regimes SOIL CARBON AND NITROGEN CONTENTS ALONG ELEVATION GRADIENTS IN THE SOURCE REGION OF YANGTZE, YELLOW AND LANTSANG RIVERS Seasonal dynamics of carbon and nitrogen concentrations in Phellodendron amurense fine roots. Decomposition of different plant litters in Loess Plateau of Northwest China. Effects of intensive agricultural production on farmland soil carbon and nitrogen contents and their δ13〖KG-*8〗C and δ15〖KG-*8〗N
 isotope abundances. EFFECT OF NITROGEN-FIXING BACTERIA INOCULATION ON BIOLOGICAL NITROGEN
FIXATION IN SUGARCANE BY 15N ISOTOPE DILUTION TECHNIQUE Analysis of Autumnal Leaf Colorization of Sapium sebiferum by Using Physiological and Digital Imaging Methods Soil Particle Composition and Its Relationship with Nutrient Contents in a Quercus aquifolioides Forest at Different Altitudinal Gradient Comparative study of physiological indexes of Lilium formolongi under different photoperiod conditions Research on nitrogen reserves of rubber forest ecosystem in Danzhou of Hainan Island Distribution and potential contamination assessment of biogenic elements in surface sediments from Nan’ao mariculture areas,Shantou Analysis on influence factors for scale effect of soil nitrogen in hilly region Soluble organic nitrogen (SON) in different soils on the loess Plateau of China Effect of Introducing Biennial Legume Species,Melilotus officinalis,on Plant Community in the Early Stage of Vegetation Succession and Soil Nutrients in the Semiarid Loess Plateau of China Distribution of C and N in different particle fractions of meadow brown soil in lower reach of Liaohe River Plain Effects of different land-use types on soil carbon and nitrogen contents in the northern region of Qinghai Lake Spatial distribution of soil carbon and nitrogen in urban greenspace of Beijing Dynamic change of soil total nitrogen density and storage in cropland of Fujian Province, China Distribution characteristics of soil carbon and nitrogen in different land use types changed from urban wetlands. The impact of climate, soil and their interactions on reducing-sugar, nicotine and total nitrogen contents of flue-cured tobacco in Hunan high-quality tobacco region Effects of environmental factors and their interaction on Vallisneria natans by orthogonal test Spatial distribution of soil nitrogen in a jujube-crop intercropping ecosystem AMELIORATED EFFECTS OF SOIL SALINITY NUTRIENT UPON PLANTING PUCCINCLLIA TENUIFLORA Relationships among Community Diversity and Soil Organic Matter, Total Nitrogen under Different Vegetation Types in the Gully Region of Loess Region Spatial heterogeneity of soil organic carbon and total nitrogen in a monsoon evergreen broadleaf forest in Dinghushan, Guangdong, China. Vertical distribution patterns of nitrogen, phosphorus, and potassium in Chinese pine forest soils developed from different parent materials in Songshan Mountain Nature Reserve, Beijing of China. Estimating total nitrogen content in water body based on reflectance from wetland vegetation Distribution characteristics of plant communities and soil organic matter and main nutrients in the Poyang Lake Nanji Wetland Dynamics of soil organic carbon and total nitrogen contents in short-rotation triploid Populus tomentosa plantations Effects of soil erosion control measures on soil organic carbon and total nitrogen in a small watershed Root distribution in the different forest types and their relationship to soil properties Spatial variability of forest soil total nitrogen of different soil layers Distribution of Soil Organic Carbon and Total Nitrogen of Grassland in Yunwu Mountain of Loess Plateau SOIL ORGANIC CARBON AND NITROGEN DYNAMICS DURING THE RE-VEGETATION PROCESS IN THE ARID DESERT REGION Estimating the nitrogen content in wheat leaves by near-infrared reflectance spectroscopy EffectsoffencingonvegetationcommunitycharacteristicsandsoilpropertiesofatypicalsteppeinInnerMongolia The Distribution and Growing Seasonal Dynamics of Soil Nitrogen Fractions on Russian Wildrye Grass Pasture Under Different Grazing Intensities Rapid quantification of total nitrogen and end-point determination of hide melting in manufacturing of donkey-hide gelatin Variation of Forest Soil Nutrient Content in Mountainous Areas, Beijing Effects of light, temperature and nitrogen on the growth of Potamogeton malatanus Mig Near infrared spectroscopy in determining organic carbon and total nitrogen in black soil of Northeast China. Spatial Variability of Organic Matter and Total Nitrogen in Panxi Tobacco Growing Soil Effects of slope aspect and position on soil organic carbon and nitrogen of terraces in small Watershed Influence of Grazing Intensity on Soil Total Nitrogen, Phosphorus and Potassium of Meadow Steppe in Zhaosu Physico-Chemical Analysis of Ostreas gigas Thumberg from Xinghua Nitrogen and phosphorus contents in 44 wetland species from the Lake Erhai Basin Changes of Soil Organic Carbon and Total Nitrogen at Different Altitudes in West Slope of Sejila Mountain of Tibet Spatial distribution characteristics and ecological effects of carbon and nitrogen of soil in Huolin River catchment wetland Effects of long-term fertilization on aggregate dynamics and organic carbon and total nitrogen contents in a reddish paddy soil Spatial heterogeneity of soil organic carbon and total nitrogen at small scale in subalpine meadow and Picea meyeri forest in Luya Mountain Spatial and temporal variations of total nitrogen density in agricultural soils of the Songnen Plain Maize Belt Impacts of biological soil crusts on soil nitrogen in different rainfall regions in hilly areas of the Loess Plateau, China A Method for Measuring Nitrogen Chemical Properties of Tree Stem-Flow with UV Spectrophotometer Effects of Fertilizers on the Alpine Meadow Plant and Soil N, P, K Contents Spatio-temporal Response of Soil Carbon and Nitrogen Relation to the Process of Vegetation Restoration in the Gully Region of Loess Plateau Relationship of Nicotine and Total Nitrogen Contents with Neutral Aroma Components in Flue-Cured Tobacco in Central Area of Henan Province Spatial Heterogeneity of Soil Organic Carbon and Total Nitrogen in An Xilin River Basin Grassland, Inner Mongolia Spatial distribution of soil nitrogen in gully hillsides of Sejila Mountain, Southeastern Tibet Changes in soil nitrogen characteristics during grassland desertification in Northwest Sichuan Landscape structure, management and soil total nitrogen, total phosphorus in the densely populated rural landscapes of China’s Yangtze Plain Distribution character of aquatic plant residues and its nitrogen and phosphorus in the sediments in Nanhu Lake, Wuhan Spatial characteristics and impact factors of soil total nitrogen and soil organic matter in Taiyuan Soil organic carbon storage and profile inventory in the different vegetation types of Luya Mountain The different characteristics of soil fixed ammonium from south to north on the Loess Plateau Prediction of Grain Protein Content Using Ear Layer Spectral Reflectance Data