GUANO KALONG - LAVA WORM POWDER - 25LGathered from the numerous volcanoes on Java. This product represents a very mineral rich natural loam and helps crops grow excellently without the addition of much fertilizer. Volcanic loam also supplies a wide range of scarce trace elements. Use: Mix with the soil at a ratio of 10% of total volume. Use as top dressing at a ratio of 5 liters per square meter. Contains 25L