630 E61

London,Macmillan Publishing Co., Inc.,1984

1.Gewneral Discussion, 2. Major Soil Types, 3. Soil Formation, 4. Soil Structure, 5. Soil Classification, 6. Soil Chemicals /1)l, 7. Soil Chemicals (2), 8. Soil Chemicals (3), 9. Soil Chemicals (4), 10. Inorganic Fertilizer and soil conditioner, 11. Organic Fertilizer and soil conditioner, 12. Soil Fractions and Drainage.

Agricultura

                    Cerrar Ventana