Types of fertilizer used in pollution-free vegetables

1. Farmyard fertilizers such as compost, manure, biogas fertilizer, green manure, crop straw, mud fertilizer, cake fertilizer, etc. Among them, high temperature compost should be strongly promoted.
2. Biological bacterial fertilizers include humic acid fertilizers, rhizobial fertilizers, phosphorus bacterial fertilizers, and compound microbial fertilizers.
3. Inorganic mineral fertilizers such as mineral potassium fertilizer and potassium sulfate, mineral phosphate fertilizer, etc.
4. Trace element fertilizer is a fertilizer formulated mainly from trace elements such as copper, iron, boron, zinc, manganese and molybdenum and beneficial elements.
5. Other fertilizers such as amino acid residues, livestock processing waste, and sugar factory waste.
Huaxian County Yuexiu Li
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