TY - BOOK AU - FOOD AND AGRICULTURE ORGANIZATION OF UNITED NATIONS ED - FOOD AND AGRICULTURE ORGANIZATION OF UNITED NATIONS TI - FAO fertilizer yearbook T2 - FAO Statistics series no.71 U1 - X9(J:2,4).1.N85, M6.35 PY - 1986/// CY - Rome PB - Food and agriculture organsitation ER -