Increasing liming efficiency on processed vegetable farms (2015)

Publication Date: 
In recent years, several new powdered limestone products that are more finely ground (smaller particle size distribution) than products historically used have become commercially available. A major factor that influences the effectiveness of a liming material is its particle size distribution, with smaller particles reacting more quickly. Because lime efficiency estimates for various particle size fractions were established in the 1950’s, there is a need to evaluate current guidelines to determine if they adequately predict liming efficiency for these new products. The objective of this study was to assess the reactivity of commercially available powdered lime products (both calcitic and dolomitic) and various particle size fractions over a year with the goal of evaluating current OSU lime guidelines.
2015 Sullivan OPVC liming project research report.pdf967.91 KB

Research report to the Oregon Processed Vegetable Commission

PI Dan Sullivan
OSU Dept. Crop and Soil Science

Co-PI Aaron Heinrich
OSU Dept. of Horticulture



Oregon Processed Vegetable Commission, Willamette Valley, Soil and nutrient management