631.55 J12

Jackson, Marla A.

U.S.A.,MacMillan Publishing,1984

23 cm

1. Field crops 2. The cereals 3. Wheat 4. Rye 5. Barley 6. Rice 7. Oats 8. Corn 9. Sorghum 10. Clover 11. Alfalfa 12. Sugar cane and sugar beets 13. Cotton 14. Flax 15. Tobacco

Agricultura

                    Cerrar Ventana