STUDIES ON PREDATION AND SIMULATION MODEL OF SEVEN SPOT LADYBIRD, COCCINELLA SEPTEMPUNCTATA L. TO WHEAT APHID,MACROSIHUM AVENAE F. SIMULATION STUDY ON LOSSES OF PINE TREE(PINUS MASSONIANA LAMB) DAMAGED BY PINE CATERPILLAR (DENDROLIMUS PUNCTATUS WALKER)AND AN ANALYSIS FOR MANAGEMENT STRATEGIES A population dynamics model of Helicoverpa assulta (Guenée)(lepidoptera:noctuidae) Advances in Researches on Ornamental Plant Growth Simulation Model Dynamic Simulation Model for Growth Duration of Rapeseed (Brassica napus) Involvement of ecosystem service flows in human wellbeing based on the relationship between supply and demand Modeling of Biomass-Based Leaf Morphological Parameters on Main Stem for Rapeseed (Brassica napus L.) A STUDY ON A BAMBOO-CATTLE-GRASS AGROFORESTRY SYSTEM USING SYSTEMS DYNAMICS Review of research advances in soil respiration of grassland in China Spontaneous determination of soil available phosphorus using highspectrum in the Northwest Plain of Shandong Province Establishment of morphology simulation model for above-ground part of cotton plant Effect of Sowing-Date and Planting Density on Dry Matter Accumulation Dynamic and Establishment of Its Simulated Model in Maize A Simulation Model for Boll Growth, Development and Abscission in Cotton A model to predict dry matter accumulation dynamics in wheat based on the normalized method Simulation of the Development of Greenhouse Muskmelon Simulation Model of Cottonseed Protein and  Oil Formation A Simulation Model on Leaf Color Dynamic Changes in Rice Construction and Validation of Spatial-temporal Distribution Models on Cotton Fiber Quality Indexes Establishment and Test of LAI Dynamic Simulation Model for High Yield Population Simulation model of barley leaf area index. Simulation of leaf area and dry matter production of tobacco leaves based on product of thermal effectiveness and photosynthetically active radiation A Preliminary Study of Simulation on Shoot Dry Matter Partitioning in Rice Preliminary Approach on Adaptability of ORYZA2000 Model for Aerobic Rice in Beijing Region An Early Warning System to Predict Waterlogging Injuries for Winter Wheat in the Yangtze- Huai Plain (WWWS) Validation of WheatSM model in winter wheat production region of North China. Application of GIS in dynamic simulation of forested landscapes Advances in Dynamic Simulation Research of Rice Growth Development of a computer program for Pear Scab Epidemic Simulation Model Simulation study on impacts of clmate change on the production of wheat A STUDY ON PHOTOSYNTHESIS:MODELING AND SCALING UP FROM A LEAF TO CANOPY IN A CHINESE FIR PLANTATION A STUDY ON THE OPTIMAL VEGETATION COVERAGE FOR SANDY GRASSLAND IN NORTHERN CHINA BASED ON SOIL WATER BUDGET Quantification of Water Stress Factor for Crop Growth Simulation Modeling Fiber Quality Formation in Cotton Advances in Researches on Ornamental Plant Growth Simulation Model A SIMULATION MODEL FOR DYNAMIC GREEN AREA INDEX IN WINTER RAPESEED (BRASSICA NAPUS) Seedling index of Salvia miltiorrhiza and its simulation model. A simulation model of net primary production at watershed scale in hilly area of Loess Plateau, China STUDIES ON STAGE YIELD-LOSS ASSESSMENT AND A MANAGEMENT MODEL OF RICE SHEATH BLIGHT Simulation of the Development of Greenhouse Muskmelon EVALUATION OF THE DAMAGE OF BROMN PLANTHOPPER TO PADDY RICE A Physiological-ecological Simulation Model of Maize Growth A PRELIMINARY STUDY ON THE RE_INITIALIZATION/RE_PARAMETERIZATION OF A CROP MODEL BASED ON REMOTE SENSING DATA Dynamic simulation of maize main organ morphogenesis Crop production system and its management system Theory and practice of calibration and validation of crop simulation model Simulation model of metapopulations and its application to competing coexistence and species richness Simulation of Diurnal Variation of Weather Factors and Photosynthesis of Individual Tomato Leaves in Greenhouse Dynamic Characteristics of Leaf Area Index in Maize and Its Model Establishment Based on Accumulated Temperature A SIMULATION OF INTERSPECIFIC RELATIONSHIP BETWEEN WOOLLY APPLE APHID, ERIOSO- MA LANIGERUM (HAUS.) AND ITS PARASITE, APHELINUS MALI (HALD.)Ⅱ. A SIMULATION AND SENSITIVE ANALYSIS OF NATURAL SYSTEM OF HOST-PARASITE Study on simulation and optimizing of several indexes in rice population quality A review on research of implement application for crop simulation model in regional scale by using remote sensing technology Dynamic simulation of wheat stem-sheath angle based on process. A Simulation Model of Above-ground Organ Formation in Wheat A Simulation Model for Yield Components and Final Yield in Winter Wheat Researches of Simulation Models of Rape(Brassica napus L.) Growth and Development Winter Wheat Growth Simulation under Water Stress by Remote Sensing in North China A Dynamic Model Simulating Photosynthetic Production and Dry Matter Accumulation for Alfalfa (Medicago sativa L.) Computer Simulation Model of the Fractional Vegetation Cover and Its Parameters Sensitivity Analysis Dynamic Simulation Model for Photosynthesis and Dry Matter Accumulation in Rapeseed Impacts of Changes in Both Climate and Its Variability on Food Produc-tion in Northeast China A physiological development time-based simulation model for cotton development stages and square-and boll formation A simulation of growth duration in FACE rice Dynamic simulation on growth and development of spring corn in different cropping patterns in northern Zhejiang Province A process-based simulation model on apical development and phenological stages in barley: model description Influence of the Components of Timber Harvest Strategies on Landscape Pattern