npk 12 12 17 ???? for Dummies
قابل استفاده در تمامی سیستمهای آبیاری (تحت فشار یا غرق آبی)The availability of potassium it offers favours water regulation mechanisms, participates during the synthesis of proteins and carbohydrates and allows the Lively form of many enzymes that get aspect in various metabolic procedures. Also, it