Liquid nitrogen fertilizer
| Product Features | |
| 1. This product is a high-concentration small-molecule aggregated liquid fertilizer produced by advanced technology. It is hormone-free and residue-free, and is a safe and highly efficient organic nutrient product. 2. The high-nitrogen formula contains ammonium nitrogen, nitrate nitrogen, urea nitrogen and organic quick-release nitrogen fertilizer. It is suitable for the growth period of various crops and can quickly meet the nitrogen requirements of crops, promote crop growth, and enhance the activity of growth points. 3. The product has a neutral pH and can inhibit the growth of some bacteria, enhance the crop's adaptability, and will not cause soil acidification or salinization when used for a long time. |
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| Technical Indicators | |
| Nitrate nitrogen ≥ 100g/L | |
| ammonium nitrogen ≥ 100g/L | |
| Amide nitrogen ≥ 200g/L | |
| Organic matter | > 100 g/L |
| N+K2O | > 60 g/L |
| PH | 5.0-7.0 |
| Water-insoluble matter | < 50 g/L |
| Limit values for toxic and harmful elements | |
| Cadmium | ≤ 3 mg/kg |
| Mercury | ≤ 2 mg/kg |
| Arsenic | ≤ 15 mg/kg |
| Lead | ≤ 50 mg/kg |
| Chromium | ≤ 150 mg/kg |
| Thallium | ≤ 2.5 mg/kg |
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