LEGUMINOUS CROPS: ALFALFA OR LUCERNE CLOVER 



Seed Inspection 



Examine with a lens samples of Alfalfa seed offered 

 for sale locally. 



Determine the percentage of impurities as represented 

 by seeds of other plants. 



Sort these out and determine as many as possible by 

 comparison with the collection of named seeds. 



Determine the percentage of dodder seed present. 



Seed Germination 



Determine viability without preliminary treatment, 

 using twenty seeds and allowing ten days for germi- 

 nation. 



Treat ten minutes with concentrated sulphuric acid. 

 Wash through tea strainer to free seeds from acid. 



Now determine viability and compare the results 

 with the results from untreated seeds. 



Root Nodules 



Dig up carefully some alfalfa plants, 

 water. Spread out to dry. 



233 



Wash roots in 



