Applied and Environmental Soil Science, Volume 2023

Nurdin ,1 Asda Rauf ,2 Yunnita Rahim ,1 Echan Adam ,2 Nikmah Musa ,1Fitriah Suryani Jamin ,1 Suyono Dude ,1 Rival Rahman ,1and Hidayat Arismunandar Katili 3

1Department of Agrotechnology, Universitas Negeri Gorontalo, Gorontalo 96583, Indonesia

2Department of Agribusiness, Universitas Negeri Gorontalo, Gorontalo 96583, Indonesia

3Department of Agrotechnology, Tompotika Luwuk University, Luwuk 94711, Indonesia

Correspondence should be addressed to Nurdin; nurdin@ung.ac.id

Received 22 October 2022; Revised 29 December 2022; Accepted 3 January 2023; Published 18 January 2023

Academic Editor: Maman Turjaman

Copyright © 2023 Nurdin et al. Tis is an open access article distributed under the Creative Commons Attribution License, whichpermits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The signifcant efect of land quality on maize production has not been fully considered in the existing land suitability criteria.Terefore, this study aims to determine land suitability criteria for hybrid maize in Boalemo Regency based on the optimum yieldand land quality. It was carried out in Boalemo Regency, Indonesia, where the land unit of 67 units was surveyed to obtain landcharacteristics data. A partial least square of structural equation model (PLS-SEM) with SmartPLS 8.0 was used to select a robustland quality controlling hybrid maize yield, while the boundary line method was used to determine optimum yield and differentiating of land suitability criteria. Te result showed that land qualities that defne the optimum yield of hybrid maize wereroot conditions, nutrient availability, nutrient retentions, land preparation, and erosion hazard. Te soil characteristics wereefective depth, coarse material, organic C, total N, K exchangeable, slopes, soil erosion, rock outcrops, and surface rocks.Furthermore, the highest optimum yield of 8.54 ton/ha was achieved by the total N and slopes for a very suitable class (S1), whilethe lowest of 5.58 ton/ha was obtained by exchangeable K for class S1. Tis showed that the combination of PLS-SEM andboundary line analysis was a better approach to developing new land suitability criteria for hybrid maize.

Scopus Q2 dan WoS: https://doi.org/10.1155/2023/3800877