soil conditioner Specification: | ||
Nitrogen | ≥6.0 | |
Sulphur | ≥16.0 | |
Magnesium | ≥1.0 | |
Moisture | ≤20.0 | |
PH | 5.0-7.0 | |
Particle size (1.00mm-4.75mm or 3.35mm-5.60mm),% | ≥75-90 | |
Harmful elements | Mercury (Hg) mg/kg | ≤5 |
Arsenic (as)mg/kg | ≤50 | |
Lead (PB) mg/kg | ≤150 | |
Chromium (CR)mg/kg | ≤500 | |
Thallium (TL) mg/kg | ≤2.5 |