Earth Science Questions
Explore questions in the Earth Science category that you can ask Spark.E!
pH range that is optimum for nutrient availability for plant growth
essential in a compost pile as it aids in the breakdown of old plant debris
thin horizontal peds commonly found on surface or subsurface horizons and are partly inherited from the soils' parent materials
spheroidal peds that are loosely packed and characteristically porous; common in the a-horizon
the smallest unit in rock formation or soil formation
nutrients that include N, P, K. Ca, Mg, and S, and can occur in plants at concentrations greater than 500 parts per million
where blocky structures are commonly found
peds that are common in humid regions and appear in irregular cube-like features; could be angular or sub angular
materials needed by plants and other organisms in the soil ecosystem
applies the concept of soil chemical composition in locating and delineating rock types and mineral deposits
terrains that are thrived with stunted growth trees
an element/compound that composes rock and soils
nutrients that include B, Fe, Mn, Cu, Zn, Mo, and Cl, and occur in concentration less than 50 parts per million
main constituents that affect plant growth
condition where intensive leaching removes most of the elements from the rock
the most important natural process in the formation of soil
b-horizon wherein the leached minerals or nutrients from the topsoil are accumulated or deposited
what the rate of soil development is partly dependent on
concept that illustrates the influence of various factors in soil formation
light colored soil layer below the a-horizon