System Sciences and Comprehensive Studies in Agriculture 2009 Issue 3 nong ye xi tong ke xue yu zong he yan jiu zheng gao jian ze

nong ye xi tong ke xue yu zong he yan jiu zheng gao jian ze

..............page:封4

Extreme Precipitation Frequent Change and Drought and Flood Prediction in Xi\'an City
LIU Xiao-yan;DU Ji-wen;YAN Jun-ping

..............page:380-384

Discussion on the Water Resources and Their Rational Development and Utilization in Turpan Basin
Abdirahman·HALIK;Abdusalam·JALALIDIN;BIAN Zheng-fu

..............page:355-360

HACCP of Silage and Control of Penicillium Contamination
LI Chun-jie;LI Chang-sheng;SUN Shuang

..............page:361-363,368

A net Arable Land Coefficient Study of Manas River Basin based on Remote Sensing
YU Pu-jia;XU Hai-liung;QIAO Mu;AN Hong-yan;ZHOU Shong-bin

..............page:364-368

Design Strategies and Soft Erosion Reduction Effect of Soft and Water Conservation Measures in Hilly Area of Central Sichuan Basin
YIN Zhong-dong;GOU Jiang-tao;LI Yong-ci

..............page:369-374

Study on Soybean Optimum Fertilizing Rate in Drought Year in North Black Soil District of China
SONG Chun;HAN Xiao-zeng;LI Hai-bo;LI Liang-hao

..............page:375-379

Study on Spatial-temporal Variance of Cultivated Land Intensive Use and Driving Force Factors in He\'nan Province
LI Rui-hua;BAI Shi-qiang

..............page:263-267

Model of the Quality Evaluation of Flue-cured Tobacco Based on Principal Component Analysis and Cluster Analysis
YE Xie-feng;WEI Yue-wei;YANG Yu-xi;CHEN Xiu-hua;HUANG Yuan-jiong;LI Ya-juan;LI Dong-xia;LIU Guo-shun

..............page:268-271,276

Study on the Characters and Adjustment Effect of Agricultural Structure in Tibet
LI Shao-wei;YU Cheng-qun;SUN Wei

..............page:257-262

Application of Dual Linear Programming Model on the Management Decision-making for Farmers
LI You;HE Li-yuan;HUANG Wei

..............page:277-281

The Study of Apt NPK Dosage in Maize Rotation District
HAN Bing-jin;CHEN Yuan;LIU Hong-jia

..............page:272-276

Quantitative Evaluation of Suitability for Converting Croplands to Wetlands in Typical Inland Limnetic Wetland Region
YU Huan;ZHANG Shu-qing;KONG Bo;NA Xiao-don

..............page:282-287,293

Analysis of Spatial and Temporal Variations of Ecological Security in He\'nan Province Based on Ecological Tension Index
CHENG Dong-ge;ZHAO Xian-gui;ZHANG Jun;WU Shu-dong;MA Juan-xia

..............page:288-293

Evolvement and Effects of Climate-productivity on Climate Change in Hubei Province
LI Xiao-dong;DU Yun;WU Shene-jun;SUN Jun-ying;FENG Qi;SONG Yue-jun

..............page:294-298

Study on the Patterns of Water-saving Farming System in the Mountainous and Arid Area of Beijing
LI Yu-yi;ZHOU Xian-long;CHEN Fu;PANG Huan-cheng

..............page:302-306

The Ecological Interception Technology and Effects on Controlling Farmland Non-point Source Pollution in the Upriver Area of Liaohe River Rasin
MA Jian;LU Cai-yan;SHI Yi;NIU Ming-fen;CHEN Xin

..............page:299-301,306

Study on Protective Enzymes and Membrane Permeability of Husk of Two Maize Genotypes
XU Hong-wen;SONG Feng-bin;ZHU Xian-can;TONG Shu-yuan

..............page:307-311

Design of the Village-level Farmland System Database Based on RS and GIS
QIAO Jia-jun;MAO Lei

..............page:312-316,321

A Sensitivity Analysis on Change of Ecological Environmental Sustainable Development in the Period of Rapid Economic Growth
LI Qiang;WEI Hai-yan;HUANG Jing

..............page:322-328

An Architecture for Farm Produce Logistics System Based on Product Life-cycle Management
QI Fang-zhong;ZHAO Wen-bo;ZHOU Gen-gui

..............page:329-332,335

A Fuzzy Evaluation Method and its Application to Water Quality Evaluation in Vegetable Production Areas
YANG Zhen-gang;FANG Yong-mei;LIU Wei-zhang

..............page:333-335

Evaluation on the Optimal Harvest Time of Puccinellia tenuiflora Based on RAGA-PP Model
GUAN Fa-chun;LIANG Zheng-wei

..............page:336-339

The Effect of Three Gorges Project on Groundwater Level and Soil Gleizafionm HonghuRegion
ZHANG Hong;CHEN Shi-jian;ZHANG Guang-yue;XIANG Xian-fu

..............page:317-321

Grey-Markov Dynamic Simulation to Grain Yield Per Hectare in Fujian Province
XU Xu;YAN Lu-ming

..............page:350-354

Benifit Evaluation of Water and Soil Ecological Restoration in Gaoquan Small Basin
WEI Min;LUO Jun-jie;ZHANG Ren-zhi

..............page:347-349,354

Comparison of the Characters of Absorbing Cd between Brassica Campestris and Oxalis Rubra
DONG Lin-lin;ZHAO Xian-gui;WEI Liang-huan

..............page:340-343

Feed Associate Effects on Nutrient Degradability and Production Performance in Sheep in Black Soil Area
LIU Chun-long;LI Zhong-qiu;SUN Hai-xia;LI Chang-Sheng;LIU Di

..............page:344-346