The nutrient demands of trees and shrubs could vary according to the species, the soil during which it's planted, its location, in addition to any nutrient-greedy neighboring plants.سروش باران یکی از مراکز تخصصی در زمینه ارائه انواع کود و عناصر پرمصرف و ریزمغذی‌ها به صورت ع�