Nick christians of iowa state university. If crabgrass and other weed seeds have already germinated and taken root, a late application of corn gluten will only serve as fertilizer for the weeds. · corn gluten is useful only as a pre-emerg ent herbicide; Compare now and shop smarter. Browse & discover thousands of brands. Our organic solution for pre - emergent weed control is corn gluten , a by-product of corn. Corn gluten meal is a byproduct of corn milling, and it happens to be an incredibly effective, organic pre emergent herbicide. · the use of corn gluten meal as a natural pre-emergent was discovered by dr. It provides no post-emergent weed control. Here is a rundown of how corn gluten meal works, how to use it, and why it’s a quality option for organic lawn care. Derived from corn gluten meal, gluten-8 is water-soluble and provides pre - emergent control of annual grasses and broad leaf weeds without the effort of applying the granular corn gluten (sustane spring weed & feed). Corn gluten meal works by inhibiting root formation in germinating seeds. Discover top products, prices & reviews. Amazon. com has been visited by 1m+ users in the past month Oneclearwinner. com - stop browsing online stores for hours - we are doing it for you He found that corn gluten meal, the byproduct of the corn milling process, could prevent grass and weed seeds from sprouting. · with corn gluten meal, the wet/dry period must be managed carefully, and, the product must also be applied before the weed emerges from the seed! Corn gluten interferes with the seed’s ability to germinate and form roots, rendering the seed unviable. Corn gluten meal can be incorporated into the soil as a pre -plant treatment or broadcast over existing landscapes. Find deals and low prices on corn gluten meal weed killer at amazon. com. Current recommendations for use include turf grass landscapes and commercial as well as residential small fruits and vegetable production. Read customer reviews & find best sellers