AGRICULTURAL SURVEY OF SOUTH AMERICA 
43 
along the rivers and streams , especially in the mountains from 
Cordoba north and along the eastern slopes of the Andes. In this 
region some of the methods of growing crops under irrigation that 
had been developed by the Incas in Peru were followed. The first 
Fig. 10.— Many kinds of v/heat flourish in Argentina 
colonists from Spain brought with them domestic animals and seeds. 
The animals multiplied with little or no attention and in a short 
time great herds roamed the prairies in a half -wild state. The seeds 
were planted in garden patches about the small settlements, but for 
