Why do scientists care how water moves through soil?

In the May 15th Soil Matter blog post, I covered the basics of soil hydrology – how water moves through the soil system (https://soilsmatter.wordpress.com/2016/05/15/how-does-water-move-through-soil/). Some of the pores in soil create “preferential flow channels” that direct water movement in various ways. Knowing about preferential flow is important for soil scientists. It helps them predict and … Continue reading Why do scientists care how water moves through soil?

In general, what relationship does soil color bear to climate?

What is the first color that comes to mind when you envision soil? Is it brown, black, yellow, or red? How about white, gray, green, or blue? Any of these answers are correct depending on where you are from! It is true; soils come in an incredible range of colors. Complete soil profile, Maracai, Brazil, … Continue reading In general, what relationship does soil color bear to climate?