Abstract
Many legumes are important for livestock production as components of pastures and in pure stands. This study was conducted to measure the effects of five liming rates to an acidic soil on yield and stand persistence of alfalfa (Medicago sativa), red clover (Trifolium pratense), and white clover (T. repens) and on soil pH. Soil samples, collected and analyzed twice a year for three years, documented that lime increased soil pH for about 14 months and then pH declined slowly. Lime application did not affect legume seedling density, but suppressed certain weed populations. Red clover and alfalfa yields were increased significantly with increasing pH, but white clover yield did not increase above a pH of 5.2. Soil pH did not affect the alfalfa and red clover plant density after 3.5 years, but higher pH resulted in plants with heavier crowns.
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