Urine is rich in nitrogen, which is important for plant growth, and now scientists have found an efficient way of utilising this to make human wastewater into fertiliser ...
Crystals in dog urine are common for several breeds. Help your dog by providing a healthy diet, including plenty of fresh, ...
Urine is seen as a source of fertilizer because ... and hydrogen in the water to form solid percarbamide crystals. The crystals were then filtered from the water, ready for use as a fertilizer.