Foliar micronutrient application effects on citrus fruit yield and on soil and foliage 'Zn' concentrations and 'ANTPOT 65 Zn' mobilization within the plant - Boaretto, Antonio Enedi; Tiritan, C S; Boaretto, R M; Mourão Filho, Francisco de Assis Alves; Muraoka, Takashi (International Symposium on Foliar Nutrition of Perennial Fruit Plants, 2001)