A more than half million dollar study is starting at Washington State University extension offices in Prosser to give growers more current information so they can decide when to use heaters and wind machines to protect crops during the frost season. The three year, $255,000 dollar study is funded by the Washington Tree Fruit Research Commission. It aims to modernize cold hardiness models that are three to four decades old. Information will be available on the WSU's AGWeatherNet online service.

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