. Dry-farming; . FiG. 44. Interior of olive orchard, Sfax, Tunis. Note the great distances between the trees and the perfectly clean soil culture. firmed this law and laid down the law that poor plant nutrition increases the water-cost of every pound of dry matter produced. It was about this time that the Rothamsted Experiment Station re- ported that its experiments had shown that during periods of drouth the well-tilled and well-fertilized fields yielded good crops^ while the unfertilized fields

---

Size: 2821px × 1772px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkthemacmilla