romadhona, sukron; Arifandi, J. A. ANALYSIS OF RICE FIELD SOIL FERTILITY IN COASTAL GEOGRAPHICAL AREAS: A CASE STUDY OF SITUBONDO DISTRICT, JAWA TIMUR PROVINCE, INDONESIA: ANALISIS KESUBURAN TANAH SAWAH DI WILAYAH GEOGRAFIS PESISIR: STUDI KASUS KABUPATEN SITUBONDO. JGGP 2024, 22, 71-82.