| In Portugal combinations of Pan Buster and Biosulphur have been used to remove excess levels of salts built up by the continued use of fertilizers. | TEST 1 | TEST 2 | | | 4/12/02 | 15/1/03 | | | pH | 7.7 | 7.8 | -1% | | Phosphate ppm | 30 | 17 | 43% | | Potassium ppm | 294 | 264 | 10% | | Calcium ppm | 888 | 729 | 18% | | Magnesium ppm | 249 | 264 | -6% | | Sodium ppm | 490 | 455 | 7% | | EC mmhos/cm | 7.18 | 6.47 | 10% |
Between test 1 and 2 there was an application of 500ml/ha of Pan Buster and a week later 50 litres/ha of Biosulphur. |
