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Isolation and Purification of Viable Sperm Cells from Stored Bicellular Pollen of Lilium davidii Duch. Isolation and Purification of Megasporocarp and Microsporangium in Azolla A Study on Size Hierachies of Individuals OF Elymus nutans Population under Different Densities Relationships Between Population Growth and Population Density in Monocultures of Larix leptolepis Therapeutic effect and mechanism of alcohol extract from Epimedii Herba on ovariectomy-induced osteoporosis in rats Physicochemical properties and in vitro dissolution behavior of active ingredients in ultrafine powder of Eucommia ulmoides Pollen dispersal patterns of the endangered plant Pinus dabeshanensis in a seed production stand Influence of three cultivation patterns on growth of Epimedium wushanense The density effect of Platycladus orientalis plantation in Beijing area A comparative study of the spatial-temporal patterns of fine roots between young and mature Caragana korshinskii plantations The Effect of Light Intensity and Water Flow Resistance on Transpira-tion Oscillation in Young Wheat Leaves The Interactive Effects of Growth Light Condition and Nitrogen Supply on Maize( Zea mays L.) Seedling Photosynthetic Traits and Metabolism of Carbon and Nitrogen Effects of Amount of Nitrogen Applied and Planting Density on RVA Profile Characteristic of Japonica Rice QTL Analysis of Resistance to Type B Bemisia tabaci in Solanum habrochaites LA2329 Estimating the carbon storage of Fuyang forest ecosystems based on InVEST model Reproductive Allocation Patterns in different density populations of Spring Wheat Relationship between the Virtual Dynamic Thinning Line and the Self-Thinning Boundary Line in Simulated Plant Populations Growth and Wood/Bark Properties of Abies faxoniana Seedlings as Affected by Elevated CO2 Stomatal Density and Bio-water Saving Measured Sap Flow and Estimated Evapotranspiration of Tropical Eucalyptus urophylla Plantations in South China Study on the initial planting density and its adjustment of Pinus sylvestris var. mongolica Litvin. artificial forest in the sand land Effects of Planting Density on Filling Rate, Water Use Efficiency and Yield for One Film Used Two Years of Oil Flax Effects of Planting Density and Nitrogen Applications on Grain Yield and Quality of ZHENMAI168 EFFECTS OF WATRE AND FERTILIZER OPTIMIZATION ON LODGING RESISTANCE OF RICE IN COLD AREA OF NORTHEASTERN CHINA RESEARCH PROGRESS ON PLANT MORPHOLOGICAL GENES RELATED TO PLANTING DENSITY IN RICE (Oryza sativa L.) The Principal Component Analysis of Soil and Population Growth Status of Artemisia sphaerocephala in Arid Region of Alex Desert Study on Root Distribution of Four Species of Shrub in Artificial Shrub and Grass Mixture Communities Relationship of Canopy Apparent Photosynthetic Rate and Quantity and Quality on Achyranthes bidentata under Various Planting Densities Studies on Programmed Cell Death of Type-Ⅰ Stomatal Guard Cells on Spring Leaves of Citrus Discuss on crispness to quality control of calcined drugs Response to cutting treatment of interspecific relationships of leguminous forages in semiarid regions Occurrence and output of all types of belowground buds of Leymus chinensis and the dynamics of formation and maintenance of aboveground shoots Litter Accumulation and Its Impact Factor of Three Main Forest Communities in Xinglong Mountain, Gansu Province Study on Proper Stand Density of Pinus sylvestris var. mongolica Plantation in Sandy Land Based on Stem Sap Flow Velocity Cryopreservation of Cell Line L-2/M delta 2-3 from Embryo of Drosophila melanogaster:The Effects of Cell Density on the Cytoactive Integrated Stand Growth Model of Mongolian Oak and It’s Application Effects of Planting Density on Growth and Economic Benefit of Masson Pine Plantation Studies on Variation of Poplar I-69 Tree-ring Width and Tree-ring Density Growth and Wood Density of 25-year-old Masson‘s Pine: Inter-family Variation and Selection Research on Apply ing the Pilodyn inWood PropertyBreeding of L a rix kaem pfe ri