Box 27
Container
Contains 28 Results:
Composts, mulches, sludges
File — Box: 27, Folder: 22
Dates:
Majority of material found within 1914 - 2000
Deficiency symptoms and physiological disorders
File — Box: 27, Folder: 24
Dates:
Majority of material found within 1914 - 2000
Air pollution effects
File — Box: 27, Folder: 25
Dates:
Majority of material found within 1914 - 2000
Hormones and plant regulators
File — Box: 27, folders: 26-27
Dates:
Majority of material found within 1914 - 2000