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.
Sulfur (S) deficiency may cause striping or overall yellowing of corn leaves. Release of S from soil organic matter is the primary source of S for plants when no fertilizer S is applied. Cold, wet, low organic matter and sandy soils, high residue and no-till, are conditions that promote S deficiency.