. Plant food; : its nature, composition and most profitable Potatoes, — Unfertilized. Experiment Farm,Southern Pines. N. Potatoes.—Fertilized with Potash, Phosphoric Acid and Nitro-gen. Experiment Farm, Southern Pines, N. C. PLANT FOOD. 67

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Keywords: ., bookcentury1900, bookdecade1910, bookidpl, booksubjectfertilizers