Cultivation Nation Micro Fertilizer is part two in our 3-part liquid feeding program. Begin by introducing Cultivation Nation Grow Fertilizer, then supplement with Cultivation Nation Micro to supply your plants with important micronutrients, and finish strong with Cultivation Nation Bloom Liquid Fertilizer. Part two of Cultivation Nation 3-Part Liquid Feeding Program. Supplies important micronutrients. Cost effective fertilizer for your growing needs.