" + ae wt AOC ~bNbib Gay 7 ee ee te -_s Hea . ee Fig. 12. Radiocautographs and photographs of soil core sections. From left to rights undisturbed young soil , exreded young soil, old soil.
" + ae wt AOC ~bNbib Gay 7 ee ee te -_s Hea . ee Fig. 12. Radiocautographs and photographs of soil core sections. From left to rights undisturbed young soil , exreded young soil, old soil.