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Some of the particular herbicides that work best to get rid of nut grass without killing the grass include Halosulfuron-methyl, mesotrione, sulfentrazone, and metsulfuron. A herbicide like glyphosate would kill nutgrass, but it will kill nearby plants, too.

Sugar water helps the microorganisms in the soil break down nutrients, thus helping certain plants grow. In other words, it is okay to water plants with sugar water, but exercise caution and never rely on sugar when fertilizing your grass. Sugar is not plant food and, if applied too liberally, kills the plants you intend to help.

Properly preparing the soil for planting grass seed may include applying fertilizer several weeks before spreading the seed if you plan to overseed the lawn. However, in most cases involving a brand-new lawn, spreading a starter fertilizer along with the grass seed will give it the best chance of taking root quickly and growing strong.

Sugar is good for plants, despite limiting nitrogen absorption. However, the sugar that is healthy for plants is typically the same sugar created by plants as part of photosynthesis. In other words, table sugar is not good or bad for plants on its own, just keep track of nitrogen levels in the soil. But don’t worry, sugar won’t kill your grass.