When forest lands are near, the underbrush may be cut and burned in a clearing or wherever it may be done without detriment to the standing timber, and the ashes scattered in the orchard before they have been Leached by rains.
"Cacao Culture in the Philippines"
William S. Lyon
This benefit may well amount to something when we add to peat one-fifth of its bulk of marl or Leached ashes, but the question comes up: Do these insoluble mild alkalies exert any direct action?
"Peat and its Uses as Fertilizer and Fuel"
Samuel William Johnson
Every handful of loose gravel not wholly water Leached affords a plant footing, and even in such unpromising surroundings there is a choice of locations.
"The Land Of Little Rain"
Mary Hunter Austin