what forms can nitrogen be found in
Although the atmosphere is mostly made up of nitrogen, it is in the form of a gas known as dinitrogen N2. Plants cannot use this form. Dinitrogen, or atmospheric nitrogen, can also be found in the soil. In addition to dinitrogen, other inorganic and organic forms exist in the soil as well.Organic forms of nitrogen make up a very high percentage of the total nitrogen found in the soil.initrogen, or atmospheric nitrogen, can also be found in the soil. In addition to dinitrogen, other inorganic and organic forms exist in the soil as well. Organic forms of nitrogen make up a very high percentage of the total nitrogen found in the soil.