TY - BK AU - Hauser,G.F. TI - Guide to the calibration of soil tests for fertilizer recommendations T2 - FAO Soils Bulletin SN - 92-5-100258-4 PY - 1985/// CY - Rome (Italy) PB - FAO, KW - Application methods KW - Crop yield KW - AGROVOC KW - Experiments KW - Fertilizers KW - Soil testing KW - Statistical analysis ER -