NPK fertilizers are on every garden store's shelves, and they're often essential for plants' health. But what does NPK stand for and when should you use it?

The best fall fertilizer for cool-season grasses is a high-nitrogen fertilizer with the correct amounts of phosphorus and potassium to address soil deficiencies.

During the current crop season there has been an outcry from farmers in Rift Valley over fertiliser supply, availability, quality and type. Today, I will narrow my discussion to Diammonium Phosphate ...