A STUDY ON GREGRAPHIC DISTRIBUTION AND POPULATION VARIATION LAW OF LARIX PRINCIPIS-RUPPRECHTII MAYR NATURAL FOREST IN SHANXI DEVELOPING UNDERGROWTH VEGETATION IS AN IMPORTANT WAY TO RECOVER SOIL FERTILITY OF CHINESE FIR PLANTATION Constituents of Volatile Oil and Cytotoxicity on Cyathocline purpurea MSAP analysis of DNA methylation in Arabidopsis (Arabidopsis thaliana) under Oxytetracycline Stress Isolation and distribution of oxytetracycline\|resistant entophytic bacteria in plant of wheat A RESEARCH FOR THE OCCURENCE OF ANOPLOPHORA GLABRIPENNIS (MOTSCHULSKY) IN THE POPLAR INTENSIVE MANAGEMENT PLANTATION STUDIES 0N THE CONSTITUENTS 0F THE ESSENTIAL 0IL 0F CYATHOCLINE PURPUREA Carbon density and production in  valley spruce-fir forest in Xiaoxing’an Mountains, China. Seagrass meadow ecosystem and its restoration: a review Trends of resistance decline and resistance recovery to deltamethrin in diamondback moth, Plutella xylostella L. Effect of Strong Light on Net Photosynthetic Rate between Two Rice Subspecies du ring Leaf Aging Changes in Characteristics of PS Ⅰ from Flag Leaves of Yangmai No. 5 (Triticum aesti v um L.) under Light-temperature Stress during Photo-synthetic Functional Decline Process Geographical Distribution and Cline Classification of Indica/Japonica Subspecies of Yunnan Local Rice Resources Effect of irrigation on photosynthesis decline of wheat leaf during senescence Study on characteristics of photosynthetic membranes in Yangmai No.5 (T.aestivum L.) flag leaves during photosynthetic functional decline process Degradation pathways and main degradation products of tetracycline antibiotics: Research progress. FOREST DECLINE AND THE GLOBAL CLIMATE CHANGE A study on the growth and decline and the continued development of plant community of Shapotou national protected region in Ningxia STUDY ON THE DECLINE STATE OF THE ABIES FABRI FOREST IN EMEI MOUNTAIN A STUDY ON JUDGMENT AND EVALUATION OF SUCCESSION SITUATION FOR FOREST COMMUNITY WITH SEVERAL DOMINANT TREE SPECIESIN SUBTROPICAL ZONE IN CHINA A REVIEW ON UNDERSTANDING THE GENETIC STRUCTURE OF POPULATION PERFORMANCE LIQUID CHROMATOGRAPGY Effect of PUL Allelic Variation on Rice Cooking and Eating Quality Effect of Oxytetracycline on the Morphology of Seedling with Witches‘ Broom and DNA Methylation Level of Paulownia tomentosa×P. fortunei Establishment of detection method for pear decline phytoplasma by Cycleave real-time PCR STUDIES ON PHOTOPERIOD-SENSITIVE CYTOPLASMIC MALE STERILITY IN WHEAT THE STRUCTURAL CHANGES OF CUNNINGHAMIA LANCEOLATA HOOK. COMMUNITY EXPOSED IN COMPOUND-POLLUTED ENVIRONMENT FOR A LONG TERM Climategrowth relationships of Picea koraiensis and causes of its recent decline in Xiaoxing’an Mountains, China. Natural regeneration barriers of Pinus sylvestris var. mongolica plantations in southern Keerqin sandy land, China Method optimization for determination of tetracyclines insoils and compost and their degradation in soils Validation and Dissection of Minor QTL qTGW1.2 for Thousand-Grain Weight in Rice (Oryza sativa L.) Seasonal dynamics of quantitative and morphological traits of poplar fine roots and their differences between successive rotation plantations. Effects of ginsenoside Rh2(GS-Rh2) on cell cycle of Eca-109 esophageal carcinoma cell line Screening of growth decline related genes from Alexandrium catenella Research on Decline Law and Recovery Technique of Astragalus adsurgens Meadow on Kerqin Sand Land An Analysis on Number Growth and Decline of Populations and the Interaction of Lolium Perenne and Trifolium Repens in Middle Mountain Mixture Pasture in Subtropical Region of China Physiological regulation related to the decline of Alexandrium catenella Influence of oxytetracycline exposure on antibiotic resistant bacteria and enzyme activities in wheat rhizosphere soil Distribution of and damage caused by yellow stunt and root rot of Astragalus adsurgens in five northern provinces of China Partitioning of vegetation biomass, nutrient storage and cycling of degraded ecosystems from moutainous Karst region, central Guizhou, China Phenolic acid degradation fungi screened from successive plantation site of Chinese fir Relationship between decline disease of exotic pines(Pinus taeda and Peliottii) and forest stand and environmental factors Causal factors of decline disease in exotic pine (Pinus taeda and P elliottii) plantations Seasonal dynamics of carbon and nitrogen in fine roots and their differences between successive rotation poplar plantations. Soil denitrification responses of wheat rhizosphere against ozone fumigation and reduction of solar irradiance Effects of pig manure and oxytetracycline on microbial number and activity in soils with different fertility levels Dynamics and mechanism of degradation of three tetracycline antibiotics from pig manures in soil Optimization of residual tetracycline analysis in soils and manure using SPE-HPLC and pilot survey in Tianjin Fine Root Biomass Vertical Distribution Character of Main Afforestation Tree Species in Horqin Sandy Land Effects of Several Phenolic Acids on Germ ination ofPhy llostachys heterocycla Seeds Effects of Temperature on Photosynthetic Rates in Korean Fir (Abies koreana) between Healthy and Dieback Population Toxicological study of three veterinary drugs on Eisenia foetida Decline regularity and causes of Pinus sylvestris var.mongolica plantation on sandy land Major features of decline of Pinus sylvestris var.mongolica plantation on sandy land γ-RADIATION INDUCED TETRACYCLINE REMOVAL IN AN AQUEOUS SOLUTION Forest Development Type of Two Tropical Degraded Secondary Forests in Baisha County, Hainan Province Residue degradation dynamics of spinetoram in wolfberry Effects of chlortetracycline and 4-epi-chlortetracycline stress on seedling growth, antioxidant enzyme activities and accumulation in pakchoi Morphological and Anatomical Traits of Poplar Fine Roots in Successive Rotation Plantations Cell Model Construction of Regulated Hepatitis B Virus X Gene Expression ATMOSPHERIC SO2 POLLUTION AND DECLINE OF MASSON PINE(PINUS MSSONIANA)FOREST IN NANSHAN, CHONGQING Comparison of sulfur fumigation processing and direct hot air heating technology on puerarin contents and efficacy of Puerariae Thomsonii Radix