urine
Exploit Urinals For Cheap Fertilizer, Says Indian Inventor
Recovering nutrients from urine before it is mixed into wastewater could be a cheap and effective way to produce fertilizer.
Urine, From Waste To Fertilizer
With its high nutrient content, urine could replace our dwindling supply of mineral fertilizer, researchers say.
Urine Mixed With Compost Makes A Superior Fertilizer, Study Says
Urine mixed with compost makes a superior fertilizer, according to the results of a study carried out in a farmer’s field outside Nepal's capital city.
