Edible mushroom preservation method, clivia leaf spot disease how to control?

① cut off the disease department and collected the disease residue and burned it. ② improved the permeability of the garden and properly increased the application of potash fertilizer to avoid excessive watering. ③ timely fountain spray 30% lead chloride copper gel suspension + 80% mancozeb wettable powder (1:1, that is, spray) 800x, or 75% chlorothalonil + 70% tophan wettable powder (1:1) 800mm 1000x, or 40% polybromofol wettable powder 700x, spray alternately, pay attention to spray thoroughly, once every 7 to 15 days, spray for 3 times in a row, dense before and after sparse.