Agriculture--Louisiana--St. John the Baptist Parish--Photographs.; Plants--Effect of poisons on--Photographs.; Field crops--Louisiana--St. John the Baptist Parish--Photographs.; Cotton--Research--Louisiana--St. John the Baptist...
Evergreen, Cut A. From ground looking down rows showing cotton at 2nd picking on unpoisned plat.
Agriculture--Louisiana--St. John the Baptist Parish--Photographs.; Plants--Effect of poisons on--Photographs.; Field crops--Louisiana--St. John the Baptist Parish--Photographs.; Cotton--Research--Louisiana--St. John the Baptist...
Evergreen, Cut A. From ground, diagonal showing 2nd picking on poisoned plat.
Agriculture--Louisiana--St. John the Baptist Parish--Photographs.; Plants--Effect of poisons on--Photographs.; Field crops--Louisiana--St. John the Baptist Parish--Photographs.; Cotton--Research--Louisiana--St. John the Baptist...
Evergreen, Cut A. From ground, dividing line at 2nd picking poisoned plat on left, unpoisoned on right.
Agriculture--Louisiana--St. John the Baptist Parish--Photographs.; Plants--Effect of poisons on--Photographs.; Field crops--Louisiana--St. John the Baptist Parish--Photographs.; Cotton--Research--Louisiana--St. John the Baptist...
Evergreen, Cut B. From ground diagonally across unpoisoned Plat #2 at 2nd picking.
Agriculture--Louisiana--Madison Parish--Photographs.; Plants--Effect of poisons on--Photographs.; Field crops--Louisiana--Madison Parish--Photographs.; Cotton--Research--Louisiana--Madison Parish--Photographs.; Hermione Plantation (Madison Parish,...
Hermione, Cut D. Dividing line between calcium aresenate plat- 4 days application on right, and Bob White's plat- 8 days application on left, showing growth and surroundings.
Agriculture--Louisiana--Madison Parish--Photographs.; Plants--Effect of poisons on--Photographs.; Field crops--Louisiana--Madison Parish--Photographs.; Cotton--Research--Louisiana--Madison Parish--Photographs.; Shirley Plantation (Madison Parish,...
Shirley, Cut D. Dividing line between field 1 & 2, showing surroundings and character of growth. Plat #1 check right, plat #2 calcium aresenate on left.