1Effects of N-fertilizer Application Amount at the Panicle Stage on Rice Quality and Food Taste along the Yellow River ValleyYIN Chun-yuan, NING Hui-feng, ZHAO Quan-zhi, CHEN Jing-rui18-20,242The Use of Four Tropical Populations of Maize in the Temperate ZoneYANG Yi, ZHANG Bao-shi, PENG Bo21-243Correlation Analysis among the Contents of Five Heavy Metals in Soil-wheat SystemSHAO Yun, LI Chun-xi, LI Xiang-li, JIANG Li-na, LU Xu-yang25-284A Preliminary Study on the Increasing Xylanase Activities by Feeding Ammonia WaterLU Xiao-juan, LU Shuai, LIU Xin-yu, KANG Jing, RU Gao-lin, CHEN Hong-ge, JIA Xin-cheng29-315Effects of Light Intensity on Chemical Components and Physical Characteristics of Flue-cured TobaccoQIAO Xin-rong, LIU Guo-shun, GUO Qiao-yan, WANG Fang40-436The Grey Relational Grade and Canonical Correlation Between Yield Components and Fiber Quality of CottonCHEN Rong-jiang, WANG Qing-lian, ZHU Ming-zhe43-467Expression of iap Gene of Bombyx mori in Prokaryotic OrganismLI Xi-bo, CHEN Jin-pin, WU yan, WANG Wen-bing47-49,538Effect of Different Nematicides on the Controlling Cereal Cyst Nematode and Wheat GrowthWU Xu-jin, YANG Wei-xing, SUN Bing-jian, XING Xiao-ping, WANG Zhen-yue, LI Hong-lian, YUAN Hong-xia57-609Screening of Isolating Medium for Wheat Endophytic BacteriaWANG Gang, WANG Jun-fang, LIU Feng-ying, PENG Juan63-65,7010Spatial and Temporal Niches of Uroleucon gobonis and Its Natural EnemiesHU Chang-xiao, ZHU Jing, PENG Lan-hua, DING Liang-bin66-7011Studies on the synthetic prevention and control of Acutangulata71-7212Effects of Ammonia-volatilization on Spring N-Applying Rates in Upland Red SoilCUI Jian, ZHOU Jing, MA You-hua, WANG Guo-qiang73-7613Construction and Application of 1:200 000 Soil Date Base in Henan ProvinceWU Ke-ning, YANG Feng, LU Qiao-ling, CHEN Xiao-ming77-8014Distribution of Organic Matter and Available N-PK in the Tea Garden Soil of XinyangTANG Jian-feng, HU Kong-feng, YIN Jian, SUN Li-mei, XIONG Jian-wei81-8415A Preliminary Study on the Culture Media and Conditions for Tricholoma matsutakeMENG Xue, ZOU Li, LI Chun84-8616Coupling Effect of Water and Fertilizer on Tomato Yield and Nitrate ContentCHEN Bi-hua, GAO Qing-lu, DUAN Ai-wang, WANG Guang-yin87-9017The Changes of Photosynthesis and Anti-oxidase Activities in Paeonia suf fruficosa Leaves under Draught StressLI Yong-hua, ZHAI Min, LI Ying-xu, YAN Shuang-xi, YANG Qiu-sheng91-9318Effects of different growth regulators on the germination of Delphinium grandiflorun seeds94-9619Effect of Nitric Oxide Treatment on Keeping Fresh of Postharvest Dangshansu PearMA Hai-yan, REN Xiao-lin, ZHOU Hui-ling98-10120Cloning and Sequence Analysis of Interferon β Gene and Its Predicted Protein Structure in Bama Mini PigZENG Yun, LI Jun, ZHAO Wu, CHEN Feng-lian105-108 