ABSTRACT
Glycine (Neonotoniawightii) is a perennial pasture legume of African origin that occurs naturally in tropical Asia. It can be grown in sub-tropical areas of medium rainfall on soils of medium to high fertility. Glycine is a summer growing perennial adapted to a subtropical climate. Some of the most successful areas of adaptation have been tropical highlands where temperature extremes are moderated by altitude, but it will grow 30° north or south of the equator at sea level. High temperatures (35°C) can limit growth while cool night or soil temperatures (16°C) slow growth which ceases at about 13°C. Nutrients play a major role in influencing the proportion of legume in a pasture. The nutrient requirement for legumes will usually be higher than for grasses because of special requirements for symbiotic ? fixation and a lower ability to compete for nutrients. Foliar symptoms are particularly useful in the diagnosis of N, S, Mo and K deficiency and Mn toxicity.
