B 21 标准查询与下载
共找到 521 条与 相关的标准，共 35 页
Technical Regulations for Breeding Improved Seeds of Seed Seed
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2024-03-15
- 实施
- 2024-04-15
Technical Regulations for Cultivation of Limonium dicolor in Daqingshan
- ICS
- 65.020.01
- CCS
- B 21
- 发布
- 2024-03-15
- 实施
- 2024-04-15
Technical Regulations for the Production of Seeds of Polygonum elata
- ICS
- 65.020.10
- CCS
- B 21
- 发布
- 2024-03-15
- 实施
- 2024-04-15
Technical regulations for cucumber hybrid seed production
- ICS
- 67.080.20
- CCS
- B 21
- 发布
- 2024-03-12
- 实施
- 2024-06-11
Technical regulations for hydroponics of sugar beet seedlings
- ICS
- 65.020.01
- CCS
- B 21
- 发布
- 2024-02-23
- 实施
- 2024-03-23
Production regulations of oat seeds for feed
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2024-02-23
- 实施
- 2024-03-23
Technical regulations for the production of male sterile onion seeds
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2024-02-05
- 实施
- 2024-03-05
Peanut variety Baiyuanhua No. 9
- ICS
- 65.020
- CCS
- B 21
- 发布
- 2023-12-28
- 实施
- 2024-02-01
Glutinous sorghum hybrid Jiza 238
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2023-12-28
- 实施
- 2024-02-01
Technical regulations for screening varieties of spring corn grains harvested by machine
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2023-12-28
- 实施
- 2024-02-01
Technical regulations for safflower seed breeding
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2023-12-25
- 实施
- 2024-01-25
Technical regulations for strawberry facility substrate seedling cultivation
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2023-12-25
- 实施
- 2024-01-25
Angelica seed breeding technical regulations
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2023-12-25
- 实施
- 2024-01-25
Codonopsis seed breeding technical regulations
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2023-12-25
- 实施
- 2024-01-25
Technical regulations for breeding Codonopsis pilosula seedlings
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2023-12-25
- 实施
- 2024-01-25
Technical regulations for propagation of Angelica sinensis seedlings
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2023-12-25
- 实施
- 2024-01-25
本文件规定了油菜化学诱导雄性不育制种技术制种方式、制种基地要求、播种前的准备、播种、田间管理、化学诱导母本雄性不育、花期调节、父本割除、收晾、质量标准和包装与贮藏的要求。本文件适用于油菜化学诱导雄性不育制种的过程控制和管理。
Technical specifications for chemically induced male sterility seed production in rapeseed
- ICS
- 65.020.20
- CCS
- B 21
- 发布
- 2023-12-22
- 实施
- 2024-01-22
Technical regulations for the preservation of rapeseed germplasm resources
- ICS
- 65.020.01
- CCS
- B 21
- 发布
- 2023-12-08
- 实施
- 2024-01-08
