BEST OVERALL: Jobe’s Organics All-Purpose Granular Fertilizer ... the best organic fertilizers have an optimal nitrogen-phosphorus-potassium (NPK) ratio, or the percentage by volume of nitrogen ...

Here are the best ways to add nitrogen to soil: Now, let’s break it down in more detail. All-purpose organic fertilizers are one of the quickest and easiest ways to get more nitrogen into your soil.

According to a University of Illinois crop sciences researcher, there has been a great deal of interest recently in the idea of using nitrogen fertilizer ... cases to work at all, this practice ...

Get your yard ready with these best fertilizers for grass. Choose from granular or liquid as well as all-season or month ...

Despite all these issues ... Hub for Innovative Nitrogen Fertilizers and Inhibitors (Smart Fertilizers) have been developing next-generation "smart" fertilizers for this purpose.