Radon and plants

Radon is a radioactive gas. Since it’s a gas, you might wonder what it has to do with soil! Well, soil is made up of sand, silt, and clay particles. The space in between provides room for gas (including air), water, soil microbes, and insects that live in the soil. In addition, soil shares space with rocks full of natural elements and minerals.


Radon is produced as the metal radium naturally decays. Radium is a naturally-occurring element, made as the elements uranium and thorium decay into lead. Radon gas emissions from bedrock and soil vary greatly based on the local geology. Radon is an inert, colorless, odorless, and tasteless gas. It doesn’t react with other elements. Therefore, it can easily accumulate, undetected, in the lower levels of households.
The large abundance of the earth’s minerals containing uranium and thorium elements results in a continuous supply of radon being emitted from the ground. Radon’s half-life of about 4 days provides enough time for it to move from the soil into our homes. Its radioactive decay products, with much shorter half-lives, are the source for most people’s exposure to radiation.
Remember your fruit, vegetables, herbs and surrounding nature can be affected and harmed by radioactive gas.
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