As Fertilizer
Vermicompost can be mixed directly into the soil, or steeped in water and made into a worm tea by mixing some vermicompost in water, bubbling in oxygen with a small air pump, and steeping for a number of hours or days.
The microbial activity of the compost is greater if it is aerated during this period. The resulting liquid is used as a fertilizer or sprayed on the plants.
The dark brown waste liquid, or leachate, that drains into the bottom of some vermicomposting systems as water-rich foods break down, is best applied back to the bin when added moisture is needed due to the possibility of phytotoxin content and organic acids that may be toxic to plants.
The pH, nutrient, and microbial content of these fertilizers varies upon the inputs fed to worms. Pulverized limestone, or calcium carbonate can be added to the system to raise the pH.
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Famous quotes containing the word fertilizer:
“...I was confronted with a virile idealism, an awareness of what man must have for manliness, dignity, and inner liberty which, by contrast, made me see how easy living had made my own group into childishly unthinking people. The Negro’s struggles and despairs have been like fertilizer in the fields of his humanity, while we, like protected children with all our basic needs supplied, have given our attention to superficialities.”
—Sarah Patton Boyle, U.S. civil rights activist and author. The Desegregated Heart, part 1, ch. 19 (1962)