In order to scale up production and expand the application of vermicast from one blueberry field to a total of 16 acres, Restoration Oaks Ranch invested in two additional worm bins and a compost teaCompost Tea: Compost tea takes finished compost and turns it into a liquid from of compost that can be applied at larger scales. It is a mixture of nutrients and oxygen-loving (aerobic) bacteria, fungi, nematodes and other microbes that live in finished compost. It takes time to separate these organisms from compost, which is why compost tea is made by steeping compost in water for a day or more. brewer. The brewer oxygenates the vermicast so that it can be applied via a drip system, which is much more efficient and less labor intensive than manual application.