Compared with other types of fertilizers, worms are clean, hygienic, and have no peculiar smell. The shape is granular, and they absorb water, retain water, and have good air permeability. It was determined that vermicompost contained 42.2% of organic matter, 25.6% of humic acid, 1.4% of nitrogen, 1.0% of phosphorus, and 1.0% of potassium, and was rich in many trace elements and 17 kinds of amino acids. It is not only planting flowers and grass, garden flowers and greenhouses. The high-quality organic fertilizer is also a soil conditioner on the barren soil. China Agricultural Network Editor
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