The Ortho Dial N Spray Hose End Sprayer makes it easy to spray liquid concentrates such as weed killers, insect killers, fungicides, and fertilizers by applying the exact amount every time ...

so using an Ortho Dial N Spray hose end sprayer (or something similar) is helpful. Lastly, understanding what plants can be fertilized with urea is essential, as well as knowing what alternative ...