TY - BOOK ED - FAO. TI - Drainage of heavy soils PY - 1971/// CY - Rome PB - FAO KW - DRAINAGE KW - IRRIGATION KW - SOILS-HEAVY N1 - 1. Drainage of heavy soils/ B.D.Trafford. 2. Laboratory study of a drainage systems in heavy soil / Antunes da Silva. 3. Problems arising from draining heavy soils and the introduction of measures to improve the functioning of the drainage systems / L.Szabo. 4. Problems arising from draining heavy soils and the introduction of measures to improve the functioning of the drainage systems / N. Plamenac. 5. Problems arising from draining heavy soils and the introduction of measures to improve the functioning of the drainage systems / B.Baitsch. 6. Problems arising from draining heavy soils and the introduction of measures to improve the functioning of the drainage systems / B.D.Trafford. 7. Drainage of heavy clay soils / the department of agriculture and fisheries. 8. Problems arising from draining heavy soils and the introduction of measures to improve the functioning of the drainage systems / H. Schleifer. 9. Problems arising from draining heavy soils and the introduction of measures to improve the functioning of the drainage systems / D.Joaquin Bardaji. 10. New possibilities for soil conditions by means of diluted bituminous emulsions / M.de Boodt. 11. Drainage of heavy glay soils in the Netherlands / F.C.Zuidema. 12. Methods for the surface drainage of very heavy soils in Mediterranean regions / R.Ringuelet ER -