div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: IMG 0525 - Sinauer Associates · 2017 3 2 · many different formulas for various plant needs These formulas usually involve ratios of nitrogen phosphorus and vxtassium Our src=https:reader036fdocumentsusreader036viewer20220714196117e0339e14ba4110545e28html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv