Bulletin of the of Agriculture . epartment Bulletin No. 400.) Price, 10 cents. Experiments with Spring Cereals at Eastern Oregon Dry-Farming Sub-Station, Moro,Oreg. (Department Bulletin No. 498.) Price, 10 cents. Farm Practice with Forage Crops in Western Oregon and Western Washington. Bu-reau Plant Industry Bulletin No. 94.) Price, 10 cents. Study of Cultivation Methods and Crop Rotations for Great Plains Area. (BureauPlant Industry Bulletin No. 187.) Price, 15 cents. Dry Farming in Relation to Rainfall and Evaporation. (Bureau Plant Industry Bul-letin No. 188.) Price, 15 cents.
Bulletin of the of Agriculture . epartment Bulletin No. 400.) Price, 10 cents. Experiments with Spring Cereals at Eastern Oregon Dry-Farming Sub-Station, Moro,Oreg. (Department Bulletin No. 498.) Price, 10 cents. Farm Practice with Forage Crops in Western Oregon and Western Washington. Bu-reau Plant Industry Bulletin No. 94.) Price, 10 cents. Study of Cultivation Methods and Crop Rotations for Great Plains Area. (BureauPlant Industry Bulletin No. 187.) Price, 15 cents. Dry Farming in Relation to Rainfall and Evaporation. (Bureau Plant Industry Bul-letin No. 188.) Price, 15 cents. Grimm Alfalfa and Its Utilization in the Northwest. (Bureau Plant Industry BulletinNo. 209.) Price, 10 cents. Clover-seed Production in Willamette Valley, Oreg. (Bureau Plant Industry CircularNo. 28.) Price, 5 cents. WASHINGTON : GOVERNMENT PRINTING OFFICE : 1918 UNITED STATES DEPARTMENT OF AGRICULTUREBULLETIN No. 601 Joint Contribution from the Bureau of Plant Industry, WM. A. TAYLOR, Chief,and the Bureau of Markets, CHARLES J. BRAND, Chief. Washington, D. C. December 21,1917 THE HANDLING AND PRECOOLING OF FLORIDA LETTUCE AND CELERY By H. J. RAMSEY, Pomologist in Charge of Fruit and Vegetable Handling and Storage Investigations, and E. L. MARKELL, Scientific Assistant, Office of Horticultural and Pomological Investigations CONTENTS Preventing Decay in Lettuce and Celery Lettuce-Handling Investigations . Nature of the Problem .... Outline of Experiments in 1913-14 Results of Experiments in 1913-14 Outline of Experiments in 1914-15 Results of Experiments in 1914-15 Celery-Handling Investigations . . Nature of the Problem .... Outline of Celery-Precooling Experi i ments Page 1 2 2 3 6 13 14 18 13 19 Celery-Handling Investigations—Contd. Transit Temperature Records ... 20Cost of Precooling and Initial Icing Compared with Regular Icing . 23Outline of Celery-Storage Experi-ments ... 23 Storage Troubles 23 Results of Storage Experiments . 24 Summary 27
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