OPERATOR and EFFECT	Example
AND narrows your results by saying all the search terms must be present in each result, although they do not necessarily have to be together.	crop AND yield
OR broadens your results by saying either search term is present in each result.	crop OR yield
NOT narrows your results by saying a search term must not be present in each result.	crop NOT yield
Quotation Marks narrow your results by saying the entire phrase must be present in each result.	"crop yield"
An asterisk is like a wild card. Any other element can be part of the search term, which means a result can include other forms of the word, like children for child*.	child*

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Recent Updates

Sour Rot Disorder of Grape

Apr 13, 2021
Sour rot of grape is a disorder causing the breakdown of ripening berries rendering them unsuitable for wine production. Sour rot is caused by insect-associated microbes that expedite berry decay following entry through a wound. Many disorders, including sour rot, result in disease-like symptoms that can cause yield losses or reduce crop quality.
Nutrient Removal for Field Crops in Ohio

Apr 13, 2021
An update for nutrient recommendations for Ohio's major field crops (corn, soybean, wheat, and alfalfa) was published in 2020 as the Tri-State Fertilizer Recommendations for Corn, Soybean, Wheat, and Alfalfa. This fact sheet builds on that information, and expands it to include recommendations for other agronomic crops grown in Ohio.
Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field

Sep 12, 2019
Eight steps to maximize returns to phosphorus (P) in row crop production while reducing downstream contributions to streams and lakes.