AUDIE CORNISH, HOST: The House has voted to repeal the Affordable Care Act. While the House has voted more than 50 times in the past four years to repeal the law, or parts of it, this was the first vote for a total repeal since 2013. NPR's Juana Summers joins us from the Capitol with the latest. Hey there, Juana.
1. Soil Type: Sandy. Sandy soil has the largest particles among the different soil types. Itâs dry and gritty to the touch, and because the particles have huge spaces between them, it canât hold on to water. Water drains rapidly, straight through to places where the roots, particularly those of seedlings, cannot reach.
may have a thin, or nonexistent, A horizon. Soil Texture Soil texture can have a profound eï¬ect on many other properties and is considered among the most important physical properties. Texture is the proportion of three mineral particles, sand, silt and clay, in a soil. These particles are distinguished by size, and make up the ï¬ne mineral fraction (Table 1). Particles over 2 mm in diameter Figure 1. The four components of soil. Minerals and SOM make up the solid fraction, whereas air and water comprise the pore space fraction. A typical agricultural soil is usually around 50% solid particles and 50% pores. (Adapted from Brady and Weil, 2002)