1Research Progress on Main Tobacco Diseases and Related Detection M ethodsCHEN Xue-jiao, LI Yun-fei, LI Gang, ZONG Kai, ZHENG Hai-song, SUN Juan-juan, YAO Jian, YU Xiao-feng, XU Ye-ping1-62Research Progress on Effects of Organic Fertilizer on the Grow th and Quality of TobaccoLIU Meng-meng, WU Gang, XU Wei-hua, ZHU Chun-gang, FU Lei, SHI Xiang-dong7-10,133Heterosis of Plant-type T raits in M aizeWEI Feng, HONG De-feng, MA Yi, MA Jun-feng, WEI Xiao-yi, ZHANG Xue-shun11-134Effect of Different Tillage M ethods on Grow th and Yield of Summer M aizeZHANG Guo-he, CHANG Jian-zhi, LI Yan-chang, YAN Li-hui, XU Dong-lian, ZHANG Su-fen, AI Zhen-guang14-165Effect of Double-subsoiling Cover on Soil Water and Crop Yield in Hilly Arid AreaLI Jun-hong, YAO Yu-qing, L Jun-jie, ZHANG Jie, DING Zhi-qiang, YU Xin-feng17-206Breeding Direction of Food Crops in Henan ProvinceXIE Zong-fang21-267T illering Characteristics and Single S tem T raits of Rice in Different Tillering Periods under Precision Nitrogen ApplicationLU Wei-lin, DUAN Ren-zhou, YU Xin-chun, YAN De-yuan, YU Ming-hui, HU Jian-tao27-308Grow th Parameter Monitoring of Sweet Corn by CGM D302 SpectrometerCHEN Qing-chun, JIANG Feng, LIN Huan, ZHANG Zi-li, LIU Peng-fei, WANG Xiao-ming31-35,1019Influence of Different Drying Conditions on Appearance and Quality of Sesamum indicum L.FAN Fang-ting, CHEN Wei, LIU Hong-yan36-3910Effect of Different Harvesting M aturity on Tobacco Quality with Optimized Leaf StructureJIANG Shui-ping, ZHANG Zheng-yan, ZHENG Shi-fang, LIU Dong-mei, LI Zu-hong, MA Yan-qing, JIANG Mei-hong40-4511Effects of Different Water Levels of Floating System on Grow th and Economic Benefit of Tobacco SeedlingLIU Zhan-qing, WANG Wei, DONG Yan-hui, SUN Xiang-yang, GONG Chang-rong, HE Fan46-4912Optimization and Effects of M icrow ave Expansion on Chemical Components and Physical Structure of Tobacco StemGAO Rui, HUANG Zhi-qiang, WANG Song-feng, LI Xian, BAO Xiu-ping, YANG Yong-jun50-5413Effect of Amount of Nitrogen Fertilizer on Grow th and Water U se of M aize under Shajiang Black SoilYANG Yong-hui, WU Ji-cheng, MEI Lei, YANG Xian-ming55-5914Analysis of Orchard Soil Nutrients in T hree M ajor Pear Production Regions of Henan ProvinceWU Zhong-ying, WANG Dong-sheng, ZHANG Si-pu, GUO Xian-ping60-6315Characteristics of Surface Water Temporal and Spatial Distribution in Henan ProvinceQI Shao-hua, ZHANG Xue-lei, DUAN Jin-long64-6716Changes of Forest Carbon Stocks and Estimation of Forest Carbon Sinks Economic Value Before and After Returning Farmland to Forest-A Case Study of Luoning CountyJIA Song-wei68-7117Preparation of Compound Microorganisms with Efficient Decomposition of Phosphate T ailings Pow derFAN Zhi-ping, WANG Xiu-jun, CHENG Yan-bo, QU Yuan72-7518Influence Factors and Effects of Different Interpolation Methods for Soil Properties Mapping Based on Spatial Difference Degree -A Case Study of Xinxiang CountyZHANG Lu-wei, ZHAO Yan-feng, CHEGN Dao-quan, XU Jia76-8019Effects of Different Safener T reatments on Nicosulfuron’s Phytotoxicity of M aizeWANG Heng-liang, GE Yu-hong, SU Wang-cang, LU Chuan-tao, WU Ren-hai, GAO Xin-ju, ZHANG Yong-chao81-8520Identification of Pathogen Causing T obacco Black Death Disease in Henan ProvinceWANG Hai-tao, MIAO Pu, LI Shu-jun, ZHAO Dan, BAI Jing-ke, KANG Ye-bin86-89 