| 1. | Testing methods of single seed drills precision drills
单粒精密播种机试验方法 |
| 2. | Experimental study on a general precision planter
万能通用精准播种机的研究与试验 |
| 3. | Equipment for conservation tillage and direct seeding
保护性耕作与免耕播种机具 |
| 4. | Development of a precision seeder control system
穴盘精密播种机控制系统的研究 |
| 5. | Specifications of single seed drill precision drill
单粒精密播种机技术条件 |
| 6. | The first seeder developed was of medium scale approx
第一个免耕播种机是中型的约 |
| 7. | Actuality and developing trend of precision drill
精密播种机的现状与发展趋势 |
| 8. | A new - concept of no - till row - follow wheat planter
小麦对行免耕播种机试验研究 |
| 9. | Development and study on 2bf - 8 wheat precision planter
8小麦精量播种机的开发与研究 |
| 10. | Design of electro - monitor for precision seeding - machine
精密播种机电子监控装置的研制 |
