System Sciences and Comprehensive Studies in Agriculture 2008 Issue 4 Risk Assessment of Agriculture Drought in Liaoning Province Based on Information Diffusion Technique

Risk Assessment of Agriculture Drought in Liaoning Province Based on Information Diffusion Technique
SUN Cai-zhi;ZHANG Xiang

..............page:507-510

Effects of Sowing Dates on Alfalfa Productivity and Yield
WANG Zhan-zhe;ZHAO Dian-chen;WANG Gang;LU Yong-xiang

..............page:505-506

Effect of Quicklime Application on Soil Enzymes Activity and Soybean Yield
LI Zhao-lin;ZHAO Min;WANG Jian-guo;PAN Xiang-wen;CHEN Yuan;DING Xi-wu

..............page:480-484

Analysis on the Retrogressive Stages and Intensity of Terra Near
MENG Kai;LIU Yue-jie

..............page:476-479,484

Spatial Variance Characteristics of Rainfall and Evaporation During Tobacco Growth in Henan Province
CHEN Hai-sheng;WU Ling-hong;LIU Guo-shun;YE Xie-fen

..............page:470-475

Changes and Driving Forces of Cultivated Land in Weishan County
SONG Yue-jun;WU Sheng-jun;REN Xian-you;LI Tao;FENG Qi

..............page:466-469,475

Experiment of Simulated Rainfall, Water and Soil Erosion in Loess Upland Area
LI Guang;HUANG Gao-bao

..............page:463-465

Comparative Development Level of Agro-recycling Economy among Different Regions in China Based on the Method of Fuzzy Evaluation
JIA Shi-Jing;LIU Yin-cang;WANG Shan-shan

..............page:436-440

Measurement and Control of Sea Salt Loss During Production
WANG Miao;SONG Wei

..............page:432-435,440

Study on the Productivity Stability of Agroecosystem Based on Index Method
WANG Shu-tao;MEN Ming-xin;QI Yue-pu;LI Jing;XU Hao

..............page:427-431

Laboratory Screening Technology for in Vivo Mass Production of Steinernema carpocapsae
ZHAN Li-li;LI Chun-jie;XU Yan-li

..............page:424-426,431

Relationship Discussion and Demonstration Research of Wetland Restoration and Adaptive Livelihood——A Case Study of Sanjiang Reserve
ZHANG Chun-li;TONG Lian-jun;LIU Ji-bin

..............page:420-423

Urban System Optimization based on the Urban-rural Harmonious Development in the Northern Slope Economic Zone of Tian Mountain
ZHANG Jing-jing;CHEN Zheng-jiang

..............page:415-419

Theoretics Frame of Comprehensive Evaluation of Complex System and Its Application to Evaluating Water Security
JIN Ju-liang;WEI Yi-ming;ZHOU Yu-liang

..............page:391-397,402

Integrated Analysis & Evaluation on Economic Benefits of Land Utilization in Xinjiang Based on Factor Analysis
WANG Qiong;GAO Min-hua;Wahap HALIK

..............page:385-390

Introduction and Application Progress of the Root Zone Water Quality Model(RZWQM)
WANG Feng;ZHANG Ke-qiang;HUANG Zhi-ping;LI Jun-xing;YU Dan;LI Xiao-guang

..............page:501-504

Study on the Change of Cultivated Land and the Driving Factors in Hami in the past 57 Years
SHEN Xia;SUN Hu

..............page:497-500

Study on the Relationship Between Soil Organic Matter Content and Soil Urease Activity
JIAO Xiao-guang;SUI Yue-yu;ZHANG Xing-yi

..............page:494-496

Critical Quality Chain Analysis Toward Agricultural Food Safety
ZHANG Dong-ling;GAO Qi-sheng

..............page:489-493

Regional Change of Per Capita Grain Possession and Its Driving Machanisms in Gansu Province Based on ESDA
PAN Jing-hu;SHI Pei-ji

..............page:485-488,496

Analysis on the Landscape Pattern Change and Driving Forces in Medium Mountain Areas of the Qinling Mountains
WANG Ji-xia;SUN Hu;PENG Hong

..............page:458-462

Analysis on Gradient Change of Landscape Characteristics in Farm-Forest Ecotone
NING Jing;ZHANG Shu-wen;WANG Lei

..............page:452-457

Phytoremediation of Eutrophication Repair in the Taihu Lake
HU Ping;ZHOU Qing

..............page:447-451

Application of High-resolution Images on Soil Loss Quantitative Estimation——A case of QuickBrid
WANG Wen-juan;ZHANG Shu-wen;LI Ying;BU Kun;YAN Ye-chao

..............page:441-446

Prediction of Grain Production In Henan Province by Grey Combined Model
LI Bing-jun;HE Chun-hua;LU Xiu-xia

..............page:411-414,419

Variations Trend of Grain Yield Per Unit Area and Fertilizer Application Systems in Liaoning Province
LI Hong-ying;HOU Yan-lin;ZHOU Yong-juan;ZHAO Hui-ming;QU Wen-qi

..............page:408-410

Quantitative Analysis on Grain Yield Fluctuation and Influence Factors in Hebei Province
QI Yue-pu;MEN Ming-xin;XU Hao

..............page:403-407

Laboratory Screening of Technology for In Vivo Mass Production of Heterorhabditis Bacteriophora
LI Chun-jie;XU Yan-li;TAN Guo-zhong;ZHAN Li-li;HE Zhen-tao;LANG Lin

..............page:398-402