Crop Water Use ( Hargreaves ET equation) New Wolfram Alpha Widget. November 9, 2011November 30, 2011 / pragwater Crop Water Use ( Hargreaves ET equation) http://t.co/iWR2Q1KP New Wolfram Alpha Widget. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest Email a link to a friend (Opens in new window) Email Share on Reddit (Opens in new window) Reddit Print (Opens in new window) Print Like Loading... Related