Universal Journal of Agricultural Research Vol. 11(6), pp. 1032 - 1042
DOI: 10.13189/ujar.2023.110610
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Spatial Distribution of Maize Plantation Based on Slope and Critical Land in Boalemo Regency, Gorontalo Province

Achmad Nur Fahry Machmud ¹, Fitryane Lihawa ^1,*, Iswan Dunggio ¹, M. Fahry Djuraini ^2
1 Master's Program in Population and Environmental Studies, Postgraduate Program, Universitas Negeri Gorontalo, Indonesia
² Study Program of Geography Education, Faculty of Mathematics and Natural Sciences, Universitas Negeri Gorontalo, Indonesia

ABSTRACT

This research was conducted in Boalemo District, Gorontalo Province, Indonesia. The aim is to analyze the distribution of corn land based on slope class and its effect on critical land. Boalemo Regency is the second-largest corn-producing area in Gorontalo Province. The spatial distribution of corn fields based on the slope is obtained from the results of the Sentinel-2 Imagery interpretation for the period January - July 2023 and SRTM data. The accuracy test was performed by field checking at 44 observation points and calculating the Kappa value. The critical land map is secondary data obtained from BPDAS Bone Bolango. The overlay method carried out an analysis of the influence between corn fields and critical lands. The results showed that the area of corn land on a rather steep slope (15-25%) was 8562.4 ha on a steep slope of 7877.7 ha. The area of corn farming land on a very steep slope (> 40%) is 846.8 ha. The results of the overlay with the critical land show that the critical land area on a very steep slope is 1658 Ha. On steep slopes, the critical land area is 6864 Ha. The critical land area on a rather steep slope is 5606 Ha. The critical land area on a gentle slope is 5019 Ha, and on a flat slope is 4136 Ha. The analysis results showed that the highest critical land area was on steep and very steep slopes. Most of the cornland in Boalemo Regency is included in the critical land criteria.

KEYWORDS
Maize, Slope Inclination, Critical Land, Boalemo

Cite This Paper in IEEE or APA Citation Styles
(a). IEEE Format:
[1] Achmad Nur Fahry Machmud , Fitryane Lihawa , Iswan Dunggio , M. Fahry Djuraini , "Spatial Distribution of Maize Plantation Based on Slope and Critical Land in Boalemo Regency, Gorontalo Province," Universal Journal of Agricultural Research, Vol. 11, No. 6, pp. 1032 - 1042, 2023. DOI: 10.13189/ujar.2023.110610.

(b). APA Format:
Achmad Nur Fahry Machmud , Fitryane Lihawa , Iswan Dunggio , M. Fahry Djuraini (2023). Spatial Distribution of Maize Plantation Based on Slope and Critical Land in Boalemo Regency, Gorontalo Province. Universal Journal of Agricultural Research, 11(6), 1032 - 1042. DOI: 10.13189/ujar.2023.110610.