The hygiene hypothesis offers an explanation for the correlation, well-established in the industrialized
nations of North and West, between increased hygiene and sanitation, and increased rates of asthma and
allergies. Recent studies have added to the scope of the hypothesis, showing a link between decreased
exposure to certain bacteria and...
Published July 2000. Revised February 2011. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Discusses nutrient management and fertilizer recommendations for lime, nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, chloride, and micronutrients on annual ryegrass grown for seed. Includes discussion of research and explanation of nutrient management recommendations.