Agriculture--Louisiana--West Feliciana Parish--Photographs.; Oak Grove Plantation (West Feliciana Parish, La.); Plants--Effect of poisons on--Photographs.; Plantations--Louisiana--West Feliciana Parish--Photographs.
Center of calcium arsenate poisoned plat showing condition of cotton.
Agriculture--Louisiana--Madison Parish--Photographs.; Aerial spraying and dusting in agriculture--Louisiana--Madison Parish--Photographs.; Field crops--Louisiana--Madison Parish--Photographs.
Test of dust cloud formed by granular calcium arsenate. Material feeding at rate of 95 lbs. per acre.
Agriculture--Photographs.; Plants--Effect of poisons on--Photographs.; Field crops--Photographs.; Maps--Photographs.; Ansbacher Chemical Co.; Chipman Chemical Engineering Co.; Corona Chemical Co.; Devoe & Raynolds Company.; Dow Chemical Co.;...
General summary of 1921 calcium arsenate map showing localities furnishing samples of material made by all companies. Photo lab.
Agriculture--Louisiana--West Feliciana Parish--Photographs.; Oak Grove Plantation (West Feliciana Parish, La.); Plants--Effect of poisons on--Photographs.; Plantations--Louisiana--West Feliciana Parish--Photographs.
Dividing line between calcium arsenate treated and untreated plats. Oak Grove Plantation, Tallulah (La.).
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 H. Dividing line between Plat #1- Bob White and Plat #2- calcium arsenate 4 day applications showing surroundings and growth. Plat #1 on left, plat #2 on right.