While deuterium H-2, an isotope twice as heavy as hydrogen, is predominantly used in nutrition research, nitrogen-15 is the most common stable isotope used in agriculture. Many other stable isotopes ...

The lighter form is generally the more common one (Hobson & Wassenaar ... One of the most important applications of nitrogen stable isotopes is its ability to determine the trophic level of ...

Different isotopes of elements have different numbers of neutrons. The most common isotope of hydrogen is called protium, or hydrogen-1. The 1 refers to the total number of protons and neutrons ...

For example, most carbon (≈ 99 %) has 6 protons and 6 neutrons and ... and thus are heavier than the more common stable isotope for those elements. Both heavy and light stable isotopes participate ...