Browse resources Displaying 1 - 2 of 2 resources Credit Gordon Jones (Cropped from original) OSU Extension soil fertility study saves grower costs of applying gypsum to hemp crop The study showed that the crop performed equally well with and without gypsum and nutritional samples of the hemp flowers did not indicate any problems by discontinuing applications. Gordon B. Jones | Mar 2023 | Impact story Credit Tiffany Woods (Cropped from original) Organic farmers save money on fertilizer with OSU Extension tool The OSU Organic Fertilizer and Cover Crop Calculator helps farmers estimate nitrogen release from cover crops and the cost of managing cover crops. Dan M. Sullivan, Nick Andrews | Mar 2022 | Impact story