| 1. | Potassium manuring may be less critical in continuous grass farming than in ley farming . 在多年生牧草地施用钾肥的迫切性比短期草地要小些。 |
| 2. | Differences in the requirements of plant species for potassium fertilization are often attributable to the kind and activity of the root system . 各种植物对钾肥的不同需求,常归因于根系的特性和活力。 |
| 3. | Effect of potash on yield and benefit of seed - melon 钾肥对籽瓜产量与效益的影响 |
| 4. | Chemical fertilizer plant in qinghai autonomous region ; and 青海自治区钾肥工程;以及 |
| 5. | Effects of potash fertilizer on yield and quality of b . v . tumida 钾肥对茎瘤芥产量和品质的效应 |
| 6. | Effect of potassium on yield and quality of tomato in greenhouse 钾肥对大棚番茄产量和品质的影响 |
| 7. | Effect of potash fertilizer on peach 桃树施用钾肥的效果初报 |
| 8. | Potash fertilizers . determination of potassium content by flame photometry 钾肥.用火焰光度计法测定钾含量 |
| 9. | A long - time study on the effect and balance of potassium 河西走廊富钾土壤钾肥效应及钾素平衡的长期定位研究 |
| 10. | The effect of potassium increased with increasing yield and nitrogen fertilizer 钾肥效应随着产量和施氮量提高而增大。 |