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Corn-harvesting machinery
The influence of farm machinery on production and labor
Prints illustrating camp ground needs and developments, improvement needs and equipment in use in California District of Forest Service, 1929
Innovations in apple handling methods and equipment
Hidden-insect detection by infrared carbon dioxide gas analysis : principles of system design
Bear-resistant containers : minimum design and structural standards inspection and testing methodology
Engineering farm knowledge for a seamless decision support system
Chemical weed-control equipment
Methods and equipment for the sun-drying of fruits
Effects of seeder design and seed placement on seedling size and cull rates at western forest nurseries