抗盐改土肥料类型 Fertilizer type | 总氮% | 总磷% | 总钾% |
(total nitrogen) | (total phosphorus) | (total kalium) | |
复合型常规造粒工艺 (compound granulation) | 5 | 5 | 5 |
单质型二次包裹工艺 (elemental secondary package) | 38 | 0 | 0 |