Law Enforcement - The SRO is a visible law enforcement presence on campus to deter, prevent, and respond to crime. He or she advises school officials on law-related matters, helps assess school safety needs, and serves as a vital link to other emergency personnel during critical incidents.
Self-Fertilizing. Sagos have a coralloid root system -- meaning one that resembles corals -- containing algae that collect nitrogen from the air, providing nutrition to the plant. In their natural habitat, this is the only source of nitrogen available, which makes the sago a slow-growing cycad.
Faster Options. When you're looking for a way to kill crabgrass that doesn't include fertilizer in the mix, you can spread crabgrass preventers with siduron as the active ingredient at the same time as the seed. Mix 1 1/2 to 4 1/2 ounces of siduron with 1 gallon of water in a garden sprayer to treat 1,000 square feet.rabgrass killer doesn't always differentiate between a germinating crabgrass (Digitaria spp.) seed and a lawn grass seed.