分面浏览：资助机构 |
| 当前检索式 | ((ALL：Optimal economic fertilizer rate)) |
| 限定条件 | ((资助项目：Key Research and Development Program of Shandong Province[2019GSF109002])) |
| Key Research and Dev 2 | Key Project of the R 1 | National Nature Scie 1 |
| Regional Key Project 1 | Strategic Priority R 1 | Strategic Priority R 1 |
