Slow-release fertilizer special for garden trees
A slow-release fertilizer and arbor technology, applied in organic fertilizers, ammonium salt fertilizers, excretion fertilizers, etc., can solve the problems of no effective targeting of nutrient requirements, inconvenient transportation and storage, and large fertilizer volume, so as to achieve healthy growth and improve viewing Quality, Enhanced Sustained Release Effect
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[0017] A special slow-release fertilizer for garden trees, made of the following raw materials in parts by weight (kg): silkworm excrement 35, edible fungus residue 26, sauce residue 22, acetic anhydride 0.6, 4-dimethylaminopyridine 0.2, silicon sulfate 2, Ammonium chloride 6, maple syrup 4, rice straw 36, fresh green tea leaves 19, ascorbic acid vitamin C0.2, appropriate amount of water.
[0018] The specific steps of the described root-promoting tree slow-release fertilizer preparation method are as follows:
[0019] (1) Expose fresh green tea leaves to the sun for 2 days, crush them and pass through a 0.45mm sieve to obtain green tea powder, add hot water at 94°C according to the ratio of green tea powder to water-material-liquid ratio 1:40g / ml, stir well and place in ultrasonic In the microwave synergistic extraction instrument, the ultrasonic power is controlled to 50W, the microwave power is controlled to 80W, and the extraction is performed for 50 minutes. After the rea...
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