This nitrogen-rich bat guano is sourced from insect-eating bats in Indonesia. Nitrogen is an essential nutrient for plants and as such is crucial to healthy plant growth. As part of the chlorophyl molecule, nitrogen will green up your plants and create food for them through photosynthesis. Plants with healthy nitrogen levels will have dynamic shoot growth and increased size and quality of fruit/bud development and fruit set. Sustainably managed and harvested from the source in Indonesia Registered Organic Input Material from the California Department of Food and Agriculture (CDFA) Can be used for vegetables, herbs, fruits, flowers, vines, trees and shrubs in gardens, landscaping, containers and raised beds. Shop all Plan B Organics products here .