Sentences with phrase «although atmospheric nitrogen»

Not exact matches

Although the U.S. could tighten existing clean air rules to combat atmospheric nitrogen emissions, the nation has neither comprehensive laws nor adequate monitoring devices for such emissions by livestock and farms.

Although Earth's atmosphere is rich in nitrogen, the inert atmospheric gas is useless to most organisms.

Elevated atmospheric CO2 is associated with decreased plant nitrogen concentration, and therefore decreased protein, in many crops, such as barley, sorghum, and soy.210, 211,212,213 The nutrient content of crops is also projected to decline if soil nitrogen levels are suboptimal, with reduced levels of nutrients such as calcium, iron, zinc, vitamins, and sugars, although this effect is alleviated if sufficient nitrogen is supplied.214 Fourth, farmers are expected to need to use more herbicides and pesticides because of increased growth of pests215, 216,217,218 and weeds219, 220 as well as decreased effectiveness221 and duration222of some of these chemicals (Ch.

In order, the most abundant greenhouse gases in Earth's atmosphere are: Non-greenhouse gases [edit] Although contributing to many other physical and chemical reactions, the major atmospheric constituents, nitrogen (N 2), oxygen (O 2), and argon (Ar), are not greenhouse gases.)