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(1)用人尿50公斤、过磷酸钙5公斤、食盐2.5公斤混合,充分搅拌,发酵7天后,对3倍水后施用,肥效相当于150公斤氨水.
(1) 50 kg of urine for human use, 5 kg of superphosphate and 2.5 kg of salt are mixed thoroughly, and after 7 days of fermentation, applied to 3 times of water, the fertilizer effect is equivalent to 150 kg of ammonia.