History of Solar System formation and evolution hypotheses - Lunar origins hypotheses. 1  Over the centuries, many scientific hypotheses have been advanced concerning the origin of Earth's Moon.
Regular irrigation keeps grass green. Improper fertilizing, nutrient deficiencies, diseases and insects can all cause yellow grass. No matter the cause, yellow grass detracts from your home's appearance. Identifying and correcting the issue is essential to restoring your lawn's health and appearance any time of year.
Rust fungus is fairly easy to identify on grass. It looks like a rusty powder and may cause the lawn to turn yellow, orange, red or brown. After walking on a lawn infected with rust fungi, shoes might have the yellow or orange powder on them.The disease eventually causes grass blades to develop raised pustules.This fungus usually shows up during hot weather.t looks like a rusty powder and may cause the lawn to turn yellow, orange, red or brown. After walking on a lawn infected with rust fungi, shoes might have the yellow or orange powder on them.