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

---

Size: 3287px × 760px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, bookidpl, booksubjectfertilizers