| 1. | High yield cultural techniques of dierect seeding rice without ploughing
水稻免耕直播高产栽培技术 |
| 2. | Research on the weeds control in free - plowing and direct - seeding rice field
水稻免耕直播田杂草控制试验初报 |
| 3. | The affecting factors of chemical controlling weed in dry direct - seeded rice field
旱直播稻田化除效果的影响因素 |
| 4. | Effect and security of herbicide guangmieling on controlling weed in direct - seeded rice field
广灭灵防除水直播稻田杂草效果及安全性 |
| 5. | The cause and solution of spray harm by pyrazosulfuron - ethyl applied in direct - seeded rice field
吡嘧磺隆在水稻直播田产生药害的原因及对策 |
| 6. | Impact of zero tillage on the soil characters and the growth and yield formation in direct seeding rice
免耕对土壤理化性状和直播稻生长及产量形成的影响 |
