Technology Innovation:An Important Issue on Agricultural Production of Hebei
Wu Qingzhi;Zhang Shaojun

..............page:38-42

The Characteristics of Production and Market Behavior of Farmer Householder for Different Regions and Their Influence on the Selection of Agricultural Research Subjects
Zhang Jianbin

..............page:30-37

Stereotype and Test of Rotation-Surveying Instrument for Tractors
Niu Shuqing;Han Yingqiang

..............page:27-29

A Medium Suitable for Wheat Callus Induction and Subculture
sun guo zhong ; ma min qiang ; zhang yong qiang ; xie xiao liang ; chai jian fang ; li xing pu ; yin zhi min ; qin jun ; zhang run ; xu dian ; yang jing ying ; wang hai bo

..............page:24-26

Effects of Betaine on the Contents of ATP in Wheat Seedlings under NaCl Stress
Zhang Shigong;Gao Jiyin;Song Jingzhi

..............page:21-23

A Study on the Optimal Concentration of Paclobutrazol in Culture Solution of Narcissus
Sun Zhaofa;Li Mei;Xu Kang;Dong Shuying;Yang Xia

..............page:18-20

Effect of Sewage Irrigation on Crop Yield and Soil Quality
Meng Chunxiang;Guo Jianhua;Han Baowen

..............page:15-17

The Selection and Evaluation of Culture Media for Isolating Bacteria From Soil
Tang Yuxia;Fan Bingquan;Jill Clapperton

..............page:11-14

Influence of Different Concentration of Hormone and Antibiotic on the Virus-free Tube Seedlings of Potato
Ma Chunhong;Cui Siping;Guo Xiulin

..............page:8-10

Tissue Culture and Rapid Propagation of Anthurium Scherxerionum
Zhang Hongmei;Fan Zhihe;He Xiaodi;Wei Jingfang

..............page:5-7

The Effect of Ca, B Levels on Pollen Germination and Tube Growth in Apple
Ma Zhihong;Zhao Ronglian;Guan Junfeng

..............page:1-4

dong xiao mai xin pin zhong tang 93-5015
dong yu wu ; bai yu long ; ni ying kui

..............page:43-44

da bei nong ke ji ji jin cheng li
da bei nong ji tuan

..............page:45

he bei nong ye ke xue zheng gao jian yue

..............page:46