... '2008 competitive price prompt delivery based on per order Seaweed fertilizer,is made from seaweed and then add other element like ... ,Boron etc.At present,the product mainly appear three types:liquid,solid,and granula(take a small part). Because algae has ... full.It's fit to become main raw material of fertilizer.Specification :Algal Polysaccharides : >=25%Alginic Acid: >=5%N : >=2%P2O5 ...