IMG 0525 - Sinauer Associates · 2017. 3. 2. · many different formulas for various plant needs....

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Transcript of IMG 0525 - Sinauer Associates · 2017. 3. 2. · many different formulas for various plant needs....

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 vx.tassium. Our