1919.] PUBLIC DOCUMENT — No. 31. 47 a 



5. Test of spray mixture in the control of early blight on 

 Golden Self-Blanching Celery, carried on in co-operation with 

 the department of plant pathology and reported by them. 



6. Special test of twelve leading varieties of celery, carried 

 on in co-operation with experiment stations in New Hampshire, 

 Connecticut and Rhode Island, to determine the best varieties 

 for market in the respective States. 



7. Test of bush beans to compare the freedom from disease 

 of seed grown in the irrigated section of the West and in 

 Louisiana. 



8. Production of seed from parsnips, onions, carrots, beets 

 and spinach. 



9. Test of Nature's Plant Food on beans and spinach. 

 Several other minor experiments have been under way, as, 



for instance, the growing of celery 4, 5 and 6 inches apart in 

 the row to learn the most profitable distance for setting; the 

 test of varieties of lettuce for frost resistance; the planting 

 of spinach of several varieties to winter over, to test hardiness. 



