What is fertilizer and why do plants need it? What do the three numbers on most bags of fertilizer mean?
Tags: fertilizer, plants, carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, potash, macronutrients, sulfur, calcium, magnesium, boron, cobalt, copper, iron, manganese, molybdenum, zinc, micronutrients, amino acid, phospholipids, nutrient
