Nitrogen partitioning in plasma, urine, feces, and milk from Holstein... | Download Table
Biological Fertiliser - Human Urine - The Permaculture Research Institute
Taking the pee: is urine a good fertiliser?
Urea nitrogen urine test Information | Mount Sinai - New York
Nitrogen test: MedlinePlus Medical Encyclopedia Image
Sustainability | Free Full-Text | An Appraisal of Urine Derivatives Integrated in the Nitrogen and Phosphorus Inputs of a Lettuce Soilless Cultivation System
Recovery of ammonium nitrogen from human urine by an open-loop hollow fiber membrane contactor - ScienceDirect
Why Dog Pee Kills Your Grass (and How to Fix your Lawn) - Lawnstarter
Can you (and should you) alter the nitrogen and pH in your dog's pee?
Nitrogen Urine Level - an overview | ScienceDirect Topics