Water soluble. Pretty successful in lowering the soil pH, which retains iron along with other trace elements accessible to the plant. In plantings close to the concrete foundations of the house, wherever the pH is elevated, it will maintain the leaves green and healthful, advertising and marketing lush vegetative growth and better blooms.A balanced

SOP Soluble Quality is usually recommended for Nutrigation™ and foliar feeding of all crops and for production of liquid fertilizers. SOP Agri Grade is recommend for direct soil application and for planning of fertilizer blends.You even have the choice of adding a water soluble fertilizer to the plants as desired, or with a routine, like when eac