Geraniums grown in substrates below an optimal pH range will exhibit chlorotic leaf spotting between veins, interveinal chlorosis, and marginal and leaf necrosis of the lower foliage.
Topics include common nutrient problems, essential nutrients, fertilizer types, how to interpret a fertilizer label, managing total nutrient level, pH, and EC, onsite testing, and growing media.
Agro-K, which manufactures conventional and organic foliar plant nutrients, will distribute its full line of foliar fertilizers and soil biological products through NEAG.
Cornell University researcher determines if substrate-incorporated slow-release fertilizers can be used to replace or reduce the need for liquid fertilizer for four spring crops.
