div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Agricultural Research Service · 2006-01-13 · the severely eroded soil humic acid concentration 12—084 p src=https:reader034fdocumentsnetreader034viewer20220505075f98b3de27be0a0ca04f9398html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Agricultural Research Service · 2006-01-13 · the severely eroded soil humic acid concentration 12—084 p src=https:reader034fdocumentsnetreader034viewer20220505075f98b3de27be0a0ca04f9398html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: Agricultural Research Service · 2006-01-13 · the severely eroded soil humic acid concentration 12—084 p src=https:reader034fdocumentsnetreader034viewer20220505075f98b3de27be0a0ca04f9398html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv