1Research Advances on Bt Transgenic Insect-resistant Rice and Its Risk Evaluation to SilkwormYANG Yan-hua, DAI Li, CHEN Ke-ping1-62Progress on Source of Heavy Metals in Flue-cured Tobacco and Its ControlLIU Tian-bo, LIU You-mei, LI Fan, PEI Xiao-dong7-103Progress in Research on Cronartium ribicolaHAN Chang-zhi11-144Electronic Clone and Bioinformatics Analysis of F-box Protein Gene from Wheat(Triticum aestivum L.)WANG Jun-sheng, LI Li-li, YANG Huan, TAN Guang-xuan, YIN Gui-hong15-19,255PAR Change of Farmland Shelterbelt and Its Effect on Wheat Yield in Plain Area20-256Studies on Wheat Grain Filling Characteristics in Dryland Wheat Production Area of Western Henan Province26-297Genetic Analysis on Kernel Number per Row by Mixed Inheritance Model of Major Gene and Polygene in MaizeZHANG Huai-sheng, CHEN Shi-lin, WANG Tie-gu30-33,408Effect of Light Density on Kranz Structure of Leaves in Different Position of Maize SeedlingJIANG Wen-yu, LI Zhi, ZHANG Hong-liang, ZHANG Fu-zhen, GUO Li-li, ZHU Yan-shu34-379Breeding of Late Sowing and Early Mature Wheat Variety Taixue 6HUANG Yan-zong38-4010Clustering Analysis of Safflower(Carthamus tinctorius L.)Germplasm Resources Based on Morphological Markers41-45,9711Analysis of Volatile Oil Content and Components of Wild Zanthoxylum armatum DC.in Shaoguan CityLIU Fa-guang, XIAO Yan-hui, HE Jin-ming, TAN Ming-qian46-4912Research on Optimizing Enzyme Formula for Treating Tobacco Leaf Module by Response Surface MethodologyLI Ji-gang, PAN Lian-hua, PU Yuan-zhu, BAO Xiu-ping, WANG Song-feng, LI Xian50-5313Aroma Components and Sensory Evaluation of Tobacco Leaves from Popularized Flue-cured Cultivars (Lines) in Zhumadian AreaYANG Li-jun, ZHAI Wen-hui, XUE Chao-qun, GUO Chuan-bin, WANG Jian-wei, XI Jia-qin54-5714Estimation of Agricultural Non-point Source Pollution Emission in Beidaihe Coastal Waters and Its Characteristic AnalysisDAI Wei58-6115Studies on Partial Factor Productivity(PFP) of Chinese Cabbage Fertilization in Protected and Open LandSUN Shu-qi, FAN Mao-pan, TANG Li, ZHENG Yi62-6616Abundance and Deficiency Indices of Soil Available K for Wheat and Fertilization Recommendation in Fluvo-aquic Soils Based on ASI MethodSUN Ke-gang, HE Ai-ling, JIN Xiu-kuan, LI Xiang-dong, HU Ying, ZHU Xiu-hua, ZHAO Li-jun67-69,7317Dynamic Variations of Nitrate Nitrogen in Maize Field Soil of Fuzhou River Basin in Dalian and Its Rational Fertilization ControllingLIU Zhi-qiang, WANG Zhi-jun, XU Ming-yi70-7318Distribution of Soil Organic Matters along the Longhai Railway from Zhengzhou to Kaifeng and Its Influence FactorsCHEN Yan-hui74-7719Molecular Detection of Phytoplasma Associated with Paulownia Witches' Broom in XuchangLI Ting-ting, SHI Meng-die, ZHANG Ning, ZHAO Wen-jun, SUN Xian-chao78-8220Preliminary Investigation of Nocturnal Aerial Insect Community in Northern Henan ProvinceGAO Li-na, TIAN Cai-hong, FENG Hong-qiang, LI Guo-ping, QIU Feng, WANG Yun-bing83-88 