Benjamin M. Duggar

Biological effects of radiation; mechanism and measurement of radiation, applications in biology, photochemical reactions, effects of radiant energy on organisms and organic products Volume 2

Benjamin M. Duggar

$31.95 - $57.23

The Principles of Mushroom Growing and Mushroom Spawn Making

Benjamin M. Duggar

$18.24 - $34.95

Mushroom Growing

Benjamin M. Duggar

Out of Stock

Biological Effects of Radiation; Mechanism and Measurement of Radiation, Applications in Biology, Photochemical Reactions, Effects of Radiant Energy on Organisms and Organic Products; Volume 1

Benjamin M. Duggar

$31.95 - $57.25

The Sterile Fungus Rhizoctonia as a Cause of Plant Diseases in America

Benjamin M. Duggar

Out of Stock

Peach Leaf-Curl and Notes on the Shot-Hole Effect of Peaches and Plums

Benjamin M. Duggar

$16.43

Fungous Diseases of Plants: With Chapters On Physiology, Culture Methods and Technique, Volume 2

Benjamin M. Duggar

$27.95

Notes Upon Celery: Growing and Harvesting Celery Crops

Benjamin M. Duggar

$9.82

Plant Physiology, With Special Reference to Plant Production

Benjamin M. Duggar

$27.95 - $39.95

Fungous Diseases of Plants: With Chapters On Physiology, Culture Methods and Technique, Volume 1

Benjamin M. Duggar

$27.95

The Cultivation Of Mushrooms...

Benjamin M. Duggar

$26.95

Fungous diseases of plants

Benjamin M. Duggar

$27.95 - $39.95