| 1. | Farmland nutrient balance of nitrogen , phosphorus and potassium in gansu 甘肃省农田氮磷钾养分平衡状况探析 |
| 2. | Annual changing patterns of nitrogen , phosphorus and potassium contents in leaves of cyclamen persicum 钾含量年周期变化规律研究 |
| 3. | Study on the absorption law of nitrogen , phosphorus and potassium of different generation virus - free potatoes 不同世代脱毒马铃薯氮磷钾吸收规律的研究 |
| 4. | Effect of nitrogen , phosphorus and potassium application on yield and qualities of xinhai 16 super sea cotton 磷和钾营养对新海16长绒棉产量和品质的影响 |
| 5. | Study on the influence of soybeans ' output and benefit by different matching of nitrogen phosphorus and potassium in west semiarid of heilongjiang 氮磷钾配施对黑龙江西部半干旱地区大豆产量及效益的影响研究 |
| 6. | This product can supply general dissolved nitrogen , phosphorus and potassium , etc , thus to keep nourishment balance and physical function normal 补充通常水溶性氮、磷、钾等,提供均衡的营养,维护生理正常。 |
| 7. | They are moderately well drained with a fluctuating water table and contain low amounts of organic matter , phosphorus and potassium and 受地下水位波动影响,土壤排水程度中等,有机质、磷和钾含量低(表2 、 3 ) 。 |
| 8. | The old root absorbed more than 60 % of the required water , nitrogen , phosphorus and potassium of rice plants , while the new roots did less than 40 % 老根吸收60 %以上水稻所需的水分、氮、磷和钾,而新根只吸收不到40 % 。 |
| 9. | The soil types of haibei research station are dominated by alpine shrub soil and alpine meadow soil in three rich elements as nitrogen , phosphorus and potassium 海北实验站地区土壤的主要类型为高山草甸土高山灌丛草甸土和沼泽土。 |
| 10. | Nitrogen , phosphorus and potassium fertilizers should be used inproper proportions fertilizing for leaf - vegetables and should be used asbasic manure ; appling only nitrogen manure was sure to cause accumulation of nitrate easily 叶类蔬菜施肥应氮、磷、钾合理搭配,并宜作底肥施用;单施氮肥容易导致硝酸盐的大量积累。 |