Hand, mud and sand augers give productive sampling in disturbed, damp and sandy soils respectively. Whereas open facial area and Main samplers provide undisturbed sample acquisition. In section 2 of figures 1 and 2, you'll find pH, P, K, and Mg ranges represented by a numerical value and a bar https://condonearme04814.izrablog.com/29855419/the-ultimate-guide-to-soil-acidification