Table 3. Testing Boserup: correlates of agricultural intensification.

 Ethnographic Case

Agricultural
   System

Population
  Density

Productivity

Efficiency

 

Mexican peasantsa

Swidden

low

12 hectares/family

---

 

Short-fallow

medium

6.5 "

---

 

Irrigated

high

0.9 "

---

 

SE Asian rice growersb

Swidden

31/mi.2

low

med

 

Plow

255 "

med

low

 

Irrigated

988 "

high

high

 

Kofyar (Nigeria)c

Swidden

low

7.7 acres/family

---

 

Short-fallow

~300/mi.2

1.5 acres/family

---

aPalerm, Angel (1957) The agricultural basis of urban civilization in Mesoamerica.

bHanks, Lucien M. (1972) Rice and Man: Agricultural Ecology in Southeast Asia. Chicago: Aldine.

cNetting, Robert M. (1969) Ecosystems in process: a comparative study of change in two West African societies. In Ecological Essays, ed. D. Damas, pp 102-112. Ottawa: National Museum of Canada.