According to Hadfield, virtually any plant will do well in the product's clear bubble, although he recommends aloe vera, peace lily and Madagascar dragon as particularly strong filters.
据哈德菲尔德说，实际上，任何植物都能在该产品的清洁罩里起很好的过滤作用，不过，他推荐芦荟(aloe vera)、和平莲(peace lily)和红边竹蕉(Madagascar dragon)为特别有效的过滤纸。
Spreading plant ashes around jugs was also common, as that would urge the dragon to fill them with rainwater.
另一种常见的习俗是把草木灰洒在水缸旁边，因为人们认为这样可以引龙来布施雨水将其灌满（撒灰引龙）。
Harbin Sunny-Dragon Industrial Company main engaged in Plant of linen, spinning and weaving, printing, dyeing etc.
哈尔滨朝龙亚麻实业有限公司主要从事亚麻的种植、纺纱、织布、印花和染色等。
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