Journal of Henan Agricultural University 2000 Issue 2 A study on the position of the north border of the north subtrop ical zone in Henan investigation the vertical distribution of the evergreene elfin forest in Funiu Mountains

A study on the position of the north border of the north subtrop ical zone in Henan investigation the vertical distribution of the evergreene elfin forest in Funiu Mountains
LIU Zong-cai;LI Zhong-bao

..............page:198-200

Study on overwinter specific property of top buds of Paulownia elongata
HOU Yuan-kai;XHAI Ming-pu;ZHANG Jun-chang;HE Jian-tao

..............page:196-197

The Camptotheca acuminata seedling's growth and changes of its physiological indexes under different pH stress
ZHANG Qiu-juan;LI Shu-liug;FENG Jian-can;WANG Xin-jian;ZHENG Lei

..............page:193-195

Study on relization of net conncetion by means of router
wang li juan ; chen shuang ; wei yan tao ; zhang ying

..............page:189-192

Preliminary study on the establishment and development of the network technolo gy system of agricultural information in China
LIU Bin;YIN Hong-zheng;BI Qing-sheng;ZHANG Hui

..............page:184-188

Analysis on the factors affecting peasants' income increase in the main production district of farm products in Henan Province
ZHANG Dong-ping;BAI Ju-hong;SHANG Yun-sheng;XING Xin-ting

..............page:180-183

The effect of Na2CO3 on production and SOD activity in various l awn breeds
JI Yue;TENG Kai-qiong;YANG Fang-rong;ZHU Su-ping

..............page:177-179

Study on method for selection of highly efficient aniline degrading bacteria
ZHAO Qi-mei;HE Jia;GU Xiang-yang;LI Shun-peng

..............page:174-176

A rapid and simple genomic DNA extraction process for PCR and RAPD analyses in Pinus Linn needles
YANG Ying-jun;ZHANG Kai-chun;PAN Qing-hua;ZHANG Yi-min

..............page:172-173

Study on drying wheat with solar collectors
LIU Sheng-yong;ZHANG Mei-feng;DU Jun-feng;ZHANG Jie;XU Ru-Jun;CAI Xian-jie;CHEN He-shun

..............page:168-171

Investigation and reasonable application of wild flower resources in Dabie Mountain areas in Henan
yang hao wei ; weng hai bo ; ye yong zhong ; lin hai ; yuan zhi liang

..............page:130-133

Study on the relationship between stem height and crown growth of paulownia trees
JIANG Jian-ping;FAN Guo-qiang;LI Pei-Yu;BI Hui-tao;TAN Xin-li

..............page:127-129

Study on the water and soil of losses of different vegetional forms in the middle reackes of Yangtze River Shelter Forest
SONG Xuan;LI Shu-ren;WANG Yu-sen;TIAN Guo-hang;ZENG Fan-jiang

..............page:122-126

Effect of phosphate adsorption on surface electrochemical properties of goethite and secondary adsorption of zinc
JIE Xiao-lei;LIU Fan;LI Xue-yuan;ZHOU Dai-hua;XU Feng-lin

..............page:118-121

Study on the adaptability of different corn hybrids to Shajiang black soil
yang qing hua ; gao er ming ; ma xin ming ; sun zi you ; zhou xi rong ; guo bao min ; sun zhi an ; han zuo

..............page:114-117

Studies on the multiple properties of summer maize hybrid without irrigation
zhou su mei ; li chao hai ; lian yan xian ; wang jun ying ; ji zhao zhe

..............page:109-113

Preliminary study on the major-polygene inheritance of maize tassel
wu jian yu ; chen yan hui ; xi zhang ying ; xia zong liang ; wu lian cheng ; chang sheng he ; hu shu jun

..............page:107-108,113

Effects of nitrogen application at different growth stages on photosynthetic characteristics and yield of super-high-yielding wheat in the later growing period
kang guo zhang ; guo tian cai ; zhu yun ji ; wang chen yang ; wang yong hua ; liu zun ying ; wang zhi jie

..............page:103-106

Application of artificial neural network to cotton boil spoiling disease prediction
SUN Yong-ming;CHEN Fu-gui;YAO Shu-wen

..............page:165-167

Research on factors influencing the quality of low dry matter yoghurt
ZHAO Gai-ming;TIAN Wei;LI Yun-yan;GAO Wei;XU Xiu-qu;CUI Hui-xia

..............page:161-164

Study on factors affecting farm mechanization degree
li guan feng ; mao peng jun ; wang hui ; ying ji lai ; zheng qing ; zhao feng ; zhang lei

..............page:157-160

Preliminary study on synthesis of ethyl furoate
xu cui lian ; ning ai min ; luo wei ; wan xin sheng ; yu da jie ; liu yan xia

..............page:154-156

Preliminary study on the prevention effect of five insecti cides on tobacco budworm
WANG Shao-li;YANG Ming-guo;WANG Zhong-tian;ZHANG Su-fang

..............page:152-153

Application climatic factors on forecasting of tobacco CMV disease
JIANG Shi-jun;LUO Hong-li;LI Shu-jun;WANG Xue-fen

..............page:150-151,164

Studies on the time structure of insect community in peach orchard
GUO Xiao-ru;YIN Xin-ming;LUO Mei-hao;XIONG Jian-wei;YANG Ai-rong;WANG Gui-xiang

..............page:146-149

Construction of recombinant vaccina virus expressing glycoproteins B of Marek's disease virus and protection against it
yang xia ; mao chun sheng ; lu zhong hua ; chen li ying ; zhang hong ying ; li shu wen ; wu ai mei

..............page:143-145

Study on synegism evealuation and prescription adjustment of three herbicides used mixedly in peanut field after emergence
SHANG Jia-yan;AI Guo-min;REN Ying-dang;WANG Lan-zhi;CHENG Shui-ming;CAO Jie

..............page:139-142,149

Study on the analytical method of omethoate in pesticide mixing
li wen ming ; zuo yong hong ; zhong wen hui ; wang xue dong ; chen zhi shen ; zhang cheng hong

..............page:136-138

Preliminary testing of contents of total phenolics and condensed tannins in the Bt cotton
WU Yu-Qing;GUO Yu-yuan;ZENG Qing-ling

..............page:134-135,138