... SANSED WORKSHOP - 14-16 June, 2005, CanTho University, Vietnam Toilet designs for rural areas and 1 separated urine collection as a fertilizer source TOILET DESIGN FOR RURAL AREAS AND ... 2005, CanTho University, Vietnam Toilet designs for rural areas and 3 separated urine collection as a fertilizer source phosphorous and potassium (Simon, 2002). Thus, if one can separate ... Man To raise cattle SANSED WORKSHOP - 14-16 June, 2005, CanTho University, Vietnam Toilet designs for rural areas and 5 separated urine collection as a fertilizer source 3. SEPARATED...