TY - GEN AU - Agerlid, Gunilla TI - Phosphorus balance and utilization in agriculture towards sustainability: seminarium den 17-19-mars 1997 U1 - 631.52 PY - 1998/// CY - Stockholm PB - K.Skogs&Lant.Ak KW - AGRICULTURAL CHEMICALS AGRICULTURE COMPOUND FERTILIZERS FERTILIZERS PHOSPHORUS RESEARCH ER -