Citation: Aa. Clua et al., INCREASE IN FORAGE YIELD IN NARROWLEAF BIRDSFOOT-TREFOIL (LOTUS-TENUIS WALDST AND KIT EX WILLD) IN A PERMANENT PASTURE WITH FOLIAR-APPLIED GIBBERELLIC-ACID (GA(3)), AND PHOSPHORUS, Plant growth regulation, 21(3), 1997, pp. 223-228