From: Importance of phosphate pock application for sustaining agricultural production in Egypt
Treatments | Seed yield, kg/fed | P uptake, mg/plant | ||
---|---|---|---|---|
Mycorrhizae | Mycorrhizae | |||
Without | With | Without | With | |
Single superphosphate | 1024 | 1296 | 402.5 | 1004.0 |
Oroba phosphate rock (OPR) | 317 | 416 | 29.7 | 89.2 |
OPR 20% | 1024 | 1354 | 395.6 | 819.1 |
OPR 20% + PSB | 1156 | 1537 | 586.1 | 2309 |
Sebeia phosphate rock (SPR) | 324 | 449 | 45.3 | 110.4 |
SPR 20% | 1102 | 1325 | 480 | 1144 |
SPR 20% + PSB | 1296 | 1600 | 618.3 | 2462 |