Agriculture: Nutrient Data Laboratory -- USDA Nutrient Database Archived Mayu 2, 2009 at the Wayback Machine A searchable index of food nutrient composition
Nutrient Nitrogen cycle NOx TKN Los Alamos National Laboratory – Nitrogen Archived Pebreru 10, 2006 at the Wayback Machine Chemistry of the Elements, N
daily basis. Nutritional values can be found e.g. in the USDA National Nutrient Database. Note that fibers are counted as carbohydrates. Don't put linebreaks
pang tau. City Data for Hubei Province in China "Numerical simulations of nutrient transport changes in Honghu Lake Basin", Earth & Climate, Wednesday, August
daily basis. Nutritional values can be found e.g. in the USDA National Nutrient Database. Note that fibers are counted as carbohydrates. Don't put linebreaks