| 1. | Research and application of precise fertilizer applicator 精密施肥机的研究与应用 |
| 2. | Design of variable rate fertilizer applicator 变量施肥机具的设计 |
| 3. | Development and application of a variable rate fertilizer applicator for precision agriculture 一种精确农业自动变量施肥技术及其实施 |
| 4. | Design of the velocity system of the valve - controlled motor on the variable rate fertilizer applicator 红中牌生物有机肥在棉花上的应用效果 |
| 5. | Research on control system of variable rate fertilizer applicator in precision agriculture based on ndvi 变量施肥播种机电控液压驱动控制系统设计 |