| 1. | It is necessary to segregate the immediate seed production function from the long-term goal of developing broad-based genetic populations, by continuous breeding . 为此,应该把直接生产种子的任务,与为了连续育种,以培育广阔遗传物种这一长远育种目标分开,是很必要的。 |
| 2. | Cultvation and seed production technique of ludan 鲁单981栽培要点与制种关键技术 |
| 3. | Maize seed production technique of nongda 108 in summer 农大108玉米夏制种技术要点 |
| 4. | Hybrid seed production technique of jindan 41 in summer 41号玉米夏播制种技术 |
| 5. | Artificial hybridization technique for papaya seed production 番木瓜人工杂交制种技术 |
| 6. | Double - insurance hybrid seed production technique of cucumber 杂交制种技术 |
| 7. | High - yield hybrid seed production techniques of chinese cabbage 大白菜杂交制种高产技术 |
| 8. | Opportunity and challenge of maize seed production nongsishi 农四师玉米制种的机遇与挑战 |
| 9. | The seed production characters and management system in usa 美国的种子生产特点及管理体系 |
| 10. | Applications of computers to seed production , operating and management 经营与管理中的应用 |