1008-1631
1999 Issue 4
Effect of Toxins from P. Oryzae 90-2 on Esterase Isozymes of Zhenshan 97 Male-sterile Cytoplasm in Rice
Yan Zhifen;Ma Chunhong;Wang Lian;Wei Jiankun
Yan Zhifen;Ma Chunhong;Wang Lian;Wei Jiankun
..............page:1-4
..............page:5-7
The Distribution and Content of Soil Potassium in Hebei Cotton Production Area
Guo Jianhua;Xing Zhu;Han Baowen
Guo Jianhua;Xing Zhu;Han Baowen
..............page:8-11
The Selective Breeding of Jiayundou 95- 8
Dong Wenqi;Dai Suying
Dong Wenqi;Dai Suying
..............page:12-14
..............page:15-17
Field Tests of "Shenglu" Bt(WP、SC) on the Larva of Hyphantria Cunea(Drury)
Yan Zhili;Tong Jinguo;Han Liping;Gao Haiyan;Zhao Chengmin
Yan Zhili;Tong Jinguo;Han Liping;Gao Haiyan;Zhao Chengmin
..............page:18-21
Effects of Pyricularia Oryzae on Microfilment of Rice Root Cap Cell
Lei Yuhua;Yan Zhifen;Wei Jiankun
Lei Yuhua;Yan Zhifen;Wei Jiankun
..............page:22
..............page:23-24
Survey of the Damage of Trionymus Agrestis Wang et Zhang on Corn in Handan City
li ji xun ; wang ma de ; nie jun jie ; hao yan tang
li ji xun ; wang ma de ; nie jun jie ; hao yan tang
..............page:25-26
Experiment on Effects of Pear Parthenogensis with Gibberellin Treatment to Stigmas Removed Flowers
Liu Chunyan
Liu Chunyan
..............page:27-28
Preliminary Discussion on the Development of High Quality Wheat of Hebei Province
Ma Ruikun;Jia Xiuling
Ma Ruikun;Jia Xiuling
..............page:29-31
The Basic Research Task Facing the Scientific and Technical Innovation of Agriculture in Hebei Province
Fan Qingshu
Fan Qingshu
..............page:32-35
Forty Years' Development of Hebei Academy of Agricultural and Forestry Sciences(1958～1998)
Ma Mengxiang
Ma Mengxiang
..............page:36-42
..............page:48
..............page:封四