Comprehensive understanding of organic fertilizers
Organic fertilizer refers to fertilizer containing a large amount of organic matter. It is locally sourced in the countryside, collected and applied on the spot, such as human and animal manure, manure, biogas fertilizer, straw fertilizer, etc., so it is also called farmyard manure. At present, there are many kinds of commercial organic fertilizers on the market such as amino acids, seaweed, distiller's grains, humic acid and the like.
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