phosphorus has been researched along with potassium oxide in 2 studies
| Studies (phosphorus) | Trials (phosphorus) | Recent Studies (post-2010) (phosphorus) | Studies (potassium oxide) | Trials (potassium oxide) | Recent Studies (post-2010) (potassium oxide) |
|---|---|---|---|---|---|
| 48,074 | 1,126 | 17,139 | 47 | 0 | 17 |
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 1 (50.00) | 18.2507 |
| 2000's | 0 (0.00) | 29.6817 |
| 2010's | 1 (50.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Chen, X; Ding, D; Huang, W; Liu, S; Lu, J; Xu, D | 1 |
| Thiex, NJ | 1 |
2 other study(ies) available for phosphorus and potassium oxide
| Article | Year |
|---|---|
[Nutritive physiology of Psoralea corylifolia L].
Topics: Fabaceae; Fertilizers; Nitrogen; Oxides; Phosphorus; Phosphorus Compounds; Plants, Medicinal; Potassium; Potassium Compounds; Soil; Tissue Distribution | 1990 |
Determination of Phosphorus and Potassium in Commercial Inorganic Fertilizers by Inductively Coupled Plasma-Optical Emission Spectrometry: Single-Laboratory Validation, First Action 2015.18.
Topics: Calibration; Citric Acid; Edetic Acid; Fertilizers; Oxides; Phosphorus; Phosphorus Compounds; Potassium; Potassium Compounds; Quaternary Ammonium Compounds; Spectrophotometry, Atomic; Validation Studies as Topic | 2016 |