Market Highlights Secondary Macronutrients Market Size Anticipated to Reach at a USD 43.45 Billion, with CAGR 5.9% By 2020–2030 says market research future (MRFR). Secondary macronutrients are vital minerals required for growing healthy plants and increasing the crop yield. These are as important as nitrogen, phosphorous, and potassium (NPK). Secondary macronutrients, like calcium, play...