Problem to be solved: to provide a new fertilizer for the growth of the algae and to improve the growth and survival of the bivalve.Solution: it consists of a compression molded body containing 12 parts by weight of fermented chicken feces, 2 to 6 parts by weight of iron, 1 to 4 parts by weight of magnesium oxide, and water having a volume of 45 to 60% by weight. Further, magnesium oxide is added for the purpose of adjusting the elution of phosphorus from fermented chicken feces, and has a feature of 10 to 30 cm in height and a pillar shape of 15 to 30 cm in width.Diagram
展开▼