System Sciences and Comprehensive Studies in Agriculture 2002 Issue 3 Study on the calcuation method about contributive rate of regional agricultural seience and technology progress

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System Sciences and Comprehensive Studies in Agriculture
1001-0068
2002 Issue 3

Study on the calcuation method about contributive rate of regional agricultural seience and technology progress
xu bao gen ; hao jin zuo

..............page:238-240

Suggestions for improving soybean yield and quality and get high benefit in Heilongjiang province
zuo shi xia ; sun jing bo

..............page:235-237

Relation between agronomic traits during the harvest of main crop and their ratooning ability in hybrid mid-rice
cheng jian feng ; pan xiao yun ; zeng xiao chun ; li jing hui ; liu ming gui

..............page:232-234,237

The analysis of present and tendency in using farmland of Inner Mongolia
he man xi ; sai xi ya la tu

..............page:228-231

Ecological stock breeding and its sustainable development
liu chun yan ; zhao kai ; sun qing shen

..............page:225-227,231

Applications of complete collected information complex concert control method to winter wheat yield structru optimization
guo xin yu ; yu ming zuo

..............page:221-224

Evaluation methods to climate years for grain yield in Gansu province
yin dong ; fei xiao ling ; ma sheng ping

..............page:219-220,224

Biological control of plant diseases with Chaetomium spp. and the problems in its application
chi yu jie ; yang qian

..............page:215-218

A construct of comprehensive appraise index system on commodity quality of rice(Oryza sativa L.ssp..keng ting)
zhao quan zhi ; zheng guo qing ; li meng qin ; gao er ming

..............page:210-214

Evaluation on sustainable land use status in the area around Baiyangdian
zhang rong qun

..............page:206-209,214

Modeling of crop system region and application
leng zhi jie ; yu xiao qiu

..............page:203-205

Analytical study on the relation with pebrine disease ptevalence to climatic factors
liu ji ping ; zhang guo quan ; xu xing yao

..............page:164-168

An study on the regional differentiation of cultivated land utility in Jiangsu province
xu meng jie ; qu fu tian

..............page:161-163,168

The diverse leaves covering cultivation ways of ratoon sugarcane
liu shao chun ; zhang yue bin ; wu zheng kun ; tang yong fang ; wang bin

..............page:200-202

Analysis on regional environment and its territorial interrelation with socio-eeonomy
liu zhao de ; yu xiao gan

..............page:197-199,202

A method of computing indexes weights of environmental impact assessment of water resouces project
zhang li bing ; jin ju liang ; wu zuo ming ; ding jing

..............page:192-196

Analysis on market competitive power of China's agricultural products
liu shao min ; wu wen liang

..............page:187-191

Research on the sustainable and high benefic agricultural demonstration garden in Mudanjiang
wang hong yan ; qin zhi wei ; guo wen xue ; li wen hua ; wang chang hong

..............page:183-186,191

Differentiating of rainfall harvest years with grain production in the arid areas in South Ningxia
liao yun cheng ; zhang jing lin ; wang liu fang ; wang li xiang

..............page:180-182

Sensitivity analysis of linear programming on the constraints deleted
jie xin jiang

..............page:178-179

Application of artificial neural network agricultural mangment
li li hui

..............page:175-177

Analysis on the application of interfacing methods in soil-crop system
bao liang

..............page:172-174,177

Soil fertility evaluation based on geographic information system and gray relative analysis
wu gu feng ; hu yue ming ; zhang shao kang ; liu zhi hua ; li shi hua

..............page:169-171