Summarize how the abiotic factors of biomes affect the ability of organisms to grow, survive, and carry out photosynthesis, then learn more about how researchers in North Carolina are studying one abiotic factor, soil, and how the microorganisms it contains help contribute to the health of plants.
June 11, 2015
What’s in dirt anyway?
After sinking the shovel or trowel into the ground to plant something, you end up looking at the dirt that is pulled up and asking yourself, “Just what is in dirt that helps plants to grow?”
We’ve all asked the question at some point. So, to keep things really simple, the answer is that there is a lot of 'stuff' in dirt — including rocks, sand, clay and organic matter. The United States Environmental Protection Agency says the average soil sample is 45% minerals, 25% water, 25% air, and 5% organic matter.
Microbes in an Acidic Ocean
October 3, 2014