Assessing the Suitability and Availability of Land for Agriculture in Tuban Regency, East Java, Indonesia

Table 1

Distributions of the criteria and subcriteria in the study area of Tuban Regency.

Parameter	Criteria	Subcriteria	Area
			ha	%
Land	Soil order^1	Alfisols	41,967.5	22.8
		Entisols	15,364.6	8.4
		Inceptisols	83,152.9	45.2
		Ultisols	21,286.1	11.6
		Vertisols	22,223.6	12.1
	Land capability^1	II	55,089.3	29.9
		III	81,601.8	44.4
		IV	7,862.5	4.3
		VI	37,269.8	20.3
		VIII	2,171.3	1.2
Topography	Elevation^2 (m a.s.l.)	0–10	18,872.2	10.3
		10–40	44,087.8	24.0
		40–100	61,829.0	33.6
		100–500	59,204.9	32.2
		>500	0.7	0.0
	Slope^1 (%)	0–3	16,882.3	9.2
		3–8	50,111.8	27.2
		8–15	68,115.5	37.0
		15–25	37,603.9	20.4
		25–40	9,296.6	5.1
		>40	1,984.6	1.1
	Slope direction^2	Flat	2,270.8	1.2
		North	56,121.9	30.5
		East	39,109.1	21.3
		South	51,265.9	27.9
		West	35,227.0	19.2
Ease of management	Land use/land cover^1	Cloud	2,190.1	1.2
		Water body	928.7	0.5
		Forest	36,648.3	19.9
		Dry land	19,489.6	10.6
		Agricultural land	37,908.5	20.6
		Settlement	11,140.4	6.1
		Paddy field	21,192.8	11.5
		Shrub	22,172.9	12.1
		Pond	941.2	0.5
		Bare land	31,382.1	17.1
	Distance^2 to road (m)	0–1,000	106,421.4	57.8
		1,000–2,000	44,862.7	24.4
		2,000–3,000	18,735.5	10.2
		3,000–4,000	7,800.5	4.2
		>4,000	6,174.5	3.4
Climate	Rainfall^2 (mm year^−1)	1,200–1,400	10,168.7	5.5
		1,400–1,600	39,597.9	21.5
		1,600–1,800	124,159.0	67.5
		1,800–2,000	10,069.1	5.5
		Total	183,994.6	100.0

Data source: ¹[11]; ²analysis for this paper.