Fig. 4 SEM data for the polished surface of Kell 9 P-treated highly calcareous soil. Secondary electron (SE) and backscattered electron (BS) images, element distribution maps for P, Al, Ca, Fe, and Si, and x-ray spectrum for whole field of view
Fig. 4 SEM data for the polished surface of Kell 9 P-treated highly calcareous soil. Secondary electron (SE) and backscattered electron (BS) images, element distribution maps for P, Al, Ca, Fe, and Si, and x-ray spectrum for whole field of view