LABORATORY MANUAL IN FIELD CROPS 39 



PRACTICUM NO. 30 

 Object. A Study of the Alfalfa Plant. 

 Materials. A field study of the plants and reference work. 



Method. Examine the plants in the field and write the 

 description of them as suggested by the outline given here. 



STUDIES 



1 . How does the alfalfa produce the second crop of hay ? 



2. Is there any indication of this new growth at present ? 



3. How do alfalfa leaves differ from clover leaves ? 



4. Make a drawing of the alfalfa leaf. 



5. Count the leaves on ten stems of the alfalfa plant. On 

 an average, how many leaves are there for each stem? On 

 an average, how many stems to a plant ? 



6. How many plants to the square yard of ground ? 



7. What are the most dangerous weeds present in each of 

 the fields examined? 



8. Would you consider this a good stand of alfalfa ? 



REFERENCES 



Livingston's Field Crop Production, pp. 278-291. 

 Ohio Bulletin No. 175. 



