Status on Pulping/Papering Research of Alder and Prospect of Utilization of Alder Pulp Wood in China Study on Mycorrhizal Physiology of Eucalyptus urophylla Coinoculated with ECM and VAM Fungi Research on the Structure of Paulownia elongata Stand Studies on Reproductive Law and Precocity and Prolificacy of Non-astringent Persimmon A Study On the Introduction of Rare Endangered Tree Species in Tropics and southern Subtropics Determination of Optimum Seed Sources for Paper-pulp Wood of Masson Pine Genetic Analysis on Flowering and Boll Setting in Upland Cotton(Gossy pium hirsutum L.)  Ⅱ. The Genetic Behavior of Different Fruiting Sites Genetic Identification of a New Gland Forming Gene in Upland Cotton Studies on the Relationship between Endogenous Hormone of Leaf and Accumulation of Nitrogen, Phosphorus and Potassium of Plant as Well as the Cause of Boll Weig ht Raised in High Yield Cotton Grazing impact on distribution pattern of the plant communities and populations in Stipa krylovii steppe Changes in physiological and biochemical characteristics, contents of bioactive compounds, and antioxidant capacity of Hypericum perforatum during introduction and acclimatization THE NUTRIENT DISTRIBUTION IN PLANT AS EFFECTED BY APPLICATION OF N,P FERTILIZER 陕西渭北旱原土壤—植物—大气连续体中水分运转规律的研究──Ⅳ.生态和生理环境对蒸腾速率的影响 C-band polymorphism in tetraploid wheat (Triticum turgidum) landraces from Qinghai and Gansu Studies on separation and purification of Rhizoma Fagopyri Dibotoryis extract by macroporous resin LIANG Ai-hua, XUE Bao-yun, WANG Jin-hua, LI Chun-ying Application of macroporous resin in purification for effective part from Polygonum cuspidatum Preparationandpurificationof oligosaccharide from Radix Rehmanniae Flora of wetland plants in Changhu Lake of Shilin County, Yunnan Effects of low light intensity on changes of soluble sugars, alkaloids and phytohormones in Catharanthus roseus seedlings The studying system construction of wetland parks The Establishment of Computer-based Auto-Controlling and Image-Analysing Processing System of Circle Water-Maze for Studying Nootropic Drugs from Traditonal Chinese Medicinal Herbs Reparations of Ca2+ and P on N-fixation of alfalfa-rhizobia after acid aluminum stress Responses of climatic potential grassland productivity to climatic change in an alpine meadow area over the Nujiang Basin, Tibet from 1980 to 2008 Advances in studies on coordination of formula and pattern theory of traditional Chinese medicines based on pharmacodynamics-pharmacokinetics of Chinese materia medica Production and properties of matallothionein in Cordyceps kyusyuensis under Zn2+ stress Measuring external benefits of agricultural land preservation: an application of choice experiment in Wuhan, China Carbon sequestration and its potential by wetland ecosystems in China Standing stock and production of phytoplankton in the northern South China Sea during winter of 2006 Application and validation of AquaCrop model in simulating biomass and yield of oil flax in Northwest China Effect of combined nitrogen and phosphorus fertilizer application of wheat-maize intercropping system Consolidation partition and mode design of rural construction land based on residential field and power theory Differences and relationships between farmland productivity and farmland natural quality Effect of reducing fertilizer application on crop yield and nitrogen and phosphorus loss in runoff from embankment upland in Dongting Lake Region Spatial variability of available nutrients contents in cropland soils in Gaoyang County of Hebei Province, China Changes in soil nitrogen and microbial activity during Robinia pseudoacacia recovery period in the Loess Hilly-Gully region Calculating and testing cultivated land protection externality using Contingent Valuation Method Study on the influencing mechanisms of nitrogen and phosphorus nutrients on maize yield and quality in rainfed lands of the Loess Plateau Effect of nitrogen and potassium combined application on mulberry (Morus atropurpurea Roxb.) leaf yield and quality,and silk cocoon quality Effect of different level of N and P on the yield of winter wheat under water stress 陕西渭北旱源土壤—植物—大气连续体中水分运转规律的研究──Ⅱ.生态和生理环境对植物叶水势的影响 ‘Jiguang’—A New Table and Processing Apricot Cultivar ‘Jiguang’—A New Table and Processing Apricot Cultivar Mass Isolation and Purification of Generative Cells from Pollen Grains The Existence of Paleogene Sediments in East China Sea Basin by Palynological Evidence The Cretaceous and Tertiary Aquilapolles in China A Study on Components and Compound Prescription of Huangqin Decoction Optimization of the RAPD reaction system and procedure of Taxus media Assessing nutrient supplying characteristics of slow-release-compound fertilizer by ion exchange resin membrane Determination and analysis on main harmful composition in excrement of scale livestock and poultry feedlots Absorbability of wetland plants on N and P from eutrophic water Effect of N and P rates on photosynthetic characteristics of flag leaf in hybrid wheat Effect of nitrogen, phosphorus and potassium application on grain yield and qualities of high-oil and high-starch corn Purification technology of total flavonoids in Tricyrtis maculata produced in Shaanxi province Separation and purification of emodin-8-O-β-D-glucopyranoside from Polygoni Cuspidati Rhizoma et Radix by column and high-speed counter-current chromatography CROSS-RESISTANCE IN PSEUDOPERONOSPORA CUBENSIS AND PLASMOPARA VITICOLA AGAINST DIFFERENT SYSTEMIC FUNGICIDES The accumulation of dry matter and phosphorus efficiencies in wheat chromosome B ditelosomic lines under both sufficient- and low-Pi conditions Effects of combined application of N, P and K on yield and quality of watermelon in gravel-mulched fields Simultaneous analysis of bioactive compounds in Yuhuanglian processing pieces and their preparations by HPLC-ESI-MS Follow-up study in traditional Chinese medicine of reinforcing kidney and resolving stasis and thinking of improving women‘s ability of high-quality fertility and pregnancy A review on the functions of nitrogen-fixers in terrestrial ecosystems Root growth of wetland plants with different root types Photosynthesis in relation to leaf nitrogen,phosphorus and specific leaf area of seedlings and saplings in tropical montane rain forest of Hainan Island,South China An analysis of the geographical substitute law and driven factors for six sandy plants of genus Artemisia in Northern China The key research topics in landscape ecology The potential productivity of the main species used in the Datong reafforestation project on former farmland, Qinghai Province Status and prospectives of reseach on coral reef ecosystem primary production Investigation on inhibition of HIVⅢB virus with extractions of Juglans regia A Study on Isozymes of Five Different Types of Solanum nigrum in China ‘Spring in Arm’(Paeonia rockii‘Wan Chun’)——An Outstanding Cultivar in the Northwest Rockii Tree Peony Cultivar Group in China Studies on Accumulation and Distribution of Dry Matter,Nitrogen,Phosphorus,and Potassium in Rhizome Lotus(Nelumbo nucifera Gaertn) Microscopic and TLC Identification of the Plant Medicine "Zhuyajingtian"(Sedum bulbiferum Makino) Re-recognizing on ecolomical benefits of exploiting grassland resources in south China Changes in diversity, protein content and amino acid composition of earthworms from a paddy soil under long-term different fertilizations in the Tai Lake Region, China Effect of drought and rewatering on photosynthetic physioecological characteristics of soybean Plant root N and P levels and their relationship to geographical and climate factors in a Chinese grassland transect Integrated biocontrol of insect pests during the last 10 years in China: Research and practice The carbon contents and the relationship with the calorific values of 67 plant species in Inner Mongolia grasslands Effects of nitrogen and phosphorus on seed germination and seedling growth of Suaeda salsa under different growth conditions of the Yellow River Estuary Desertification mechanisms and process of soil chemical and physical properties in Hulunbeir sandy grassland, Inner Mongolia