Progress on Biochar Preparation and Its Assessement Methods of Stability
jin liang ;, wei dan ;, li yu mei ;, guo wen yi ;, xu meng ;, zhang lei ;, li yi dan ;, chang ben chao ;

..............page:423-428

Evaluation of Landscape Pattern Changes and Ecological Effects in Land Reclamation Project of Homestead in Hilly and Mountainous Regions of Southwest China
LUO You-jin;,YU Duan;,HAN Guo-hui;,WANG Wu;,HU Jia-yu;,XIE Yong-hong;,LIAO Dun-xiu;

..............page:429-435

Effect of Nitrogen Fertilizer on Combined Forms and Transformation of Fluorine in Tea Garden Soil
ZHANG Yong-li;,LIAO Wan-you;,WANG Ye-jun;,SU You-jian;,LUO Yi;,SONG Li;,SUN Li;

..............page:436-442

Effect of Biochar-based Urea on Yield and Quality of Celery and Soil NO3--N Content
liao shang qiang ;, chen yan hua ;, li yan mei ;, zhang lin ;, sun zuo zuo ;

..............page:443-448

Influences of Applying Black Carbon and Sheep Excrement on Soil Properties and Yield of Korla Fragrant Pear Orchard
DING Kuo;,WANG Xue-mei;,CHEN Bo-lang;,CHAI Zhong-ping;,LIU Mao;,LUO Xiang;

..............page:449-455

Effects of Watering and Nitrogen Fertilization on Yield and Water and Nitrogen Use Efficiency of Cropping Oil Sunflower
TAN Jian-xin;,JING Feng;,LIU Jian-guo;

..............page:456-462

Effects of Water Stress on Photosynthesis and Chlorophyll Fluorescence of the Sugar Beet
HAN Kai-hong;,LIU Yu-hua;,ZHANG Ji-zong;,HAO Ya-xing;,WANG Wei-jing;,ZHANG Li-feng;

..............page:463-470

Effects of Bio-char on Soil Microbes in Herbicide Residual Soils
WANG Gen-lin;,LI Yu-mei;,LIU Zheng-yu;,SONG Bai-quan;,LI Yan;

..............page:471-476

Responses and Remediating Effects of Pennisetum hydridum to Application of Heavy-Metals-Contaminated Chicken Manures and Sewage Sludges
wang xi na ;, yi zi cheng ;, zhang yao fen ;, wang zuo zuo ;, zhang yu jie ;, li hua shou ;

..............page:477-484

Analysis on the Content of Nitrogen and Phosphorus in Root Exfoliation of Water Hyacinth(Eichhornia cras-sipes)
ZHANG Ying-ying;,WEN Xue-zheng;,LIU Hai-qin;,LI Xiao-ming;,YAN Shao-hua;,QIN Hong-jie;,ZHANG Zhi-yong;

..............page:485-489

Effects of Selenium(Se)on Cadmium(Cd)Accumulation, Photosynthetic Characteristics and Activities of An-tioxidant Enzymes in Different Genotypes of Rape Under Cadmium(Cd)Stress
qu zuo juan ;, wu zhi chao ;, zhao xiao hu ;, jia fen ;, tian xiao ping ;, yang jing ;, peng ling ;

..............page:490-497

cao ye ke xue 2015 nian zheng ding qi shi

..............page:497

Nitrogen Balance and Economic Benefit in Zizania latifolia-Duck Mutual Ecosystem
zhang jia hong ;, wang gui liang ;, wang shou hong ;, kou xiang ming ;, yang jian chun ;, xu rong ;, zhu ling yu ;, han guang ming ;, bi jian hua ;

..............page:498-505

Temporal and Spatial Variations of the First and Last Frost Date During 1961—2013 in Henan Prouince and Their Responses to Climate Changes
YAN Jun-hui;,XU Xin-chuang;,ZHOU Hong-sheng;,ZHAO Guo-yong;,FU Hui;,WEN Qi;

..............page:506-510

Effect of Two Different Habitats on Ragweed Invasion
GUO Tao;,KUANG Ji-yun;,Lü Jie-jie;,LIAO Bin;

..............page:511-516