Universitas Negeri Gorontalo
I was born in Paguyaman (Gorontalo) on April 19th, 1980
I became a Lecture of Gorontalo State University since January 1st, 2005 until December 31th, 2013
I became a Head of Agriculture Services, Boalemo Regency since December 31th, 2013 until October 1th, 2017
I comeback again a Lecturer of Gorontalo State University since October 1st, 2017 until now
Bachelor of Soil Science (SP) from Soil Department of Sam Ratulangi University, Manado. Graduation on 2004
Master of Soil Science (MSi) from Soil Department of Bogor Agriculture University, Bogor. Graduation on 2010
Dr of Agriculture Science Minor Land Resource Management from Brawijaya University, Malang. Graduation on 2020
Rearrange land suitability criteria based on land characteristics and quality that are directly related to agricultural crop production
Nurdin, Asda Rauf, Yunnita Rahim, Echan Adam, Nikmah Musa, Fitriah Suryani Jamin, Suyono Dude, Rival Rahman, and Hidayat Arismunandar Katili
Applied and Environmental Soil Science, ISSN: 16877667, eISSN: 16877675, Volume: 2023, Published: 2023 Hindawi Limited
The significant effect of land quality on maize production has not been fully considered in the existing land suitability criteria. Therefore, this study aims to determine land suitability criteria for hybrid maize in Boalemo Regency based on the optimum yield and land quality. It was carried out in Boalemo Regency, Indonesia, where the land unit of 67 units was surveyed to obtain land characteristics data. A partial least square of structural equation model (PLS-SEM) with SmartPLS 8.0 was used to select a robust land quality controlling hybrid maize yield, while the boundary line method was used to determine optimum yield and differentiating of land suitability criteria. The result showed that land qualities that define the optimum yield of hybrid maize were root conditions, nutrient availability, nutrient retentions, land preparation, and erosion hazard. The soil characteristics were effective 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), while the lowest of 5.58 ton/ha was obtained by exchangeable K for class S1. This showed that the combination of PLS-SEM and boundary line analysis was a better approach to developing new land suitability criteria for hybrid maize.
Nurdin Nurdin, Fauzan Zakaria, Mohammad A Azis, Yunnita Rahim, Rival Rahman, and Mahmud Kasim
Sains Tanah, ISSN: 14123606, eISSN: 23561424, Pages: 42-51, Published: 1 June 2022 Universitas Sebelas Maret
Coffee is a national strategic commodity that contributes to Indonesia’s foreign exchange, but its productivity remains low due to cultivation on low potential land. This study aimed to determine the land suitability of endemic liberica coffee using two different methods and formulate recommendations for land management in Pinogu Plateau. Thirteen land units were surveyed, and soil samples were collected and analyzed in the laboratory to identify the land characteristics. Land suitability classes (LSCs) were compared by limiting factor and parametric methods. Analysis using the limiting factor method showed that the actual LSCs for liberica coffee consisted of moderately suitable (S2) and marginally suitable (S3) classes. Efforts for improvement could increase the potential of LSC to became very suitable (S1) and S2 classes. Meanwhile, the assessment with the parametric method indicated that the LSC consisted of S1, S2, and S3 classes. These results revealed that the parametric method provides more realistic land characteristics than the limiting factor method. Land management II or the land that had a little limiting factor turned out to be more dominant with the recommendation of adding P and organic fertilizer.
. Nurdin, Mochtar Lutfi Rayes, . Soemarno, . Sudarto, Endang Listyarini, Christanti Agustina, Rival Rahman, Asda Rauf, and Jailani Husain
Bulleten' Pocvennogo Instituta Imeni V.V. Dokucaeva, ISSN: 01361694, eISSN: 23124202, Issue: 108, Pages: 104-136, Published: 2021 V.V. Dokuchaev Soil Science Institute
Ten representative pedons from the Bulia micro watershed of Gorontalo Province, Indonesia, were characterized and classified to determine its land quality (LQ) class. Angular blocky, sticky, plastic consistencies and a hard consistency prevailed in the soil structure. In the alluvial plains the soil texture is dominated by the clay fraction, while in the hills and volcanic mountains the sand fraction is dominated. The soils in the Bulia micro watershed also have acid to neutral reaction, with the range of very low to high OC (organic carbon) levels, the reserve of exchangeable bases was dominated by Ca2+ in two series patterns, namely: Ca2+ > Mg+ > Na+ > K+ and Ca2+ > Na+ > Mg+ > K+, cation exchange capacity (CEC) ranged from low to very high, and the base saturation varied from moderate to very high. The alluvial plain is represented by Inceptisol in P1 and Typic Humustepts (P7), also by Oxic Humustepts (P3), then Mollisol on P4 (Typic Argiudolls) and Typic Haplustolls (P6), Alfisol on P5 (Typic Paleustalfs). Entisol on P2 (Typic Ustipsamments) was found in volcanic mountains and P9 (Typic Paleustolls) P8 (Ultic Paleustalfs), P10 (Inceptic Haplustalfs) are typical of volcanic hills. On the alluvial plains the land was categorized as the LQ class II, III and IV, the volcanic mountains were the LQ class IV, while the land on the volcanic hills was categorized as the LQ class VI. River bank erosion on the land river terraces can be held by the manufacture of gabions, talud, cliff reinforcement plants and terraces. The soil temperatures and high clay content can be regulated by mulching and organic materials.