CHARACTERISTICS OF PHOSPHATE ROCK MATERIALS FROM CHINA, INDONESIA AND TUNISIA AND THEIR DISSOLUTION IN INDONESIAN ACID SOILS. Indonesian Journal of Agricultural Science, [S. l.], v. 7, n. 2, p. 43–50, 2016. Disponível em: https://epublikasi.pertanian.go.id/berkala/ijas/article/view/437. Acesso em: 11 sep. 2026.