Roxas blvd, Manila Pasay, Philippines Soil Type Research
Presented by XXXXXXXXXX 1406 Biology HCC – West Campus Fall Semester 2010 The Basics.
Organic Matter The key to healthy soils Fred Magdoff Dept. of Plant & Soil Science University of Vermont.
1. Which horizon is the TOPSOIL? A.Horizon O B.Horizon A C.Horizon B D.Horizon D or R.
