Technological Advancement and the Economic Benefit of Indonesian Rain-Fed Farming Development

Table 5

Potential increase in crops production resulting from rain-fed fields WITH and WITHOUT investment in water harvesting infrastructure.

Type of Infrastructure	Coverage Areas (Ha)	Potential Increase in Production (Ton)
		Paddy	Maize	Soybean
WITH Investment in Water Harvesting Infrastructure
Channel Reservoir	619,235	3,407,474	1,239,559	405,508
Farm Pond	8,813	44,221	-9,059	-1,997
Long Storage	3,967	19,090	-3,562	-866
River/Pumping	523,620	2,285,116	41,259	19,909
Shallow Tube Well	233,669	1,078,128	12,096	6,059
Subtotal	1,389,304	6,834,028	1,280,293	428,611
WITHOUT Investment in Water Harvesting Infrastructure
Wet-climate Region	1,768,491	6,484,404	1,744,474	371,348
Dry-climate Region	841,655	3,352,524	654,000	178,554
Subtotal	2,610,146	9,836,928	2,398,474	549,902
TOTAL	3,999,450	16,670,955	3,678,767	978,513

Source: Sulaiman et al. [31]; MoA [11–13]