Bui. 1477, U. S. Dept. of Agriculture 
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Plate 3 
^«lli 
Response of Different Plum Trees to Pruning and to Soil and Other 
Conditions. — 1 1 
A.— A 16-year-old Maynard plum tree growing in the cool coastal region of California. This 
tree has been severely headed back each year and is growing in fertile irrigated soil. 
Note the vigorous growth and compact tree. (Compare with pi. 2, B and C. Niles, 
Calif., June 29, 1923) . M n „ a . 
B .— An 18-year-old Grand Duke plum tree growing in the cool coastal region of California. 
It has been severely headed back each winter. The new growth is short, although the soil 
is fertile and irrigated. (Compare with pi. 20, B. Niles, Calif., July 9, 1924) 
C— A 16-year-old Washington plum tree which has been severely headed back each year. It 
is growing in fertile irrigated soil in the cool coastal region of California. Note the vigor- 
ous, compact growth. (Compare with pis. 20 B, and 34 B. Niles, Calif., June 29, 1923) 
