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Genetic Parameter Estimation of Teak Clonal Test At 5 Years Old in Wonogiri, Central Java Hamdan, Hamdan Adma Adinugraha; Mahfudz, Mahfudz
Jurnal Wasian Vol. 3 No. 1 (2016): June
Publisher : Forestry Department, University of Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62142/9jtx2319

Abstract

Trial research of teak clones was located in Wonogiri, Central Java. This research was conducted in order to evaluate the growth performance of teak clones that can be developed for forest plantation and private forest. Establishment of teak clones test was conducted in 2002 using 20 clones with Randomized Completely Block Design/RCBD consisting of 5 ramets and 5 replications with plant spacing of 2 m x 6 m . The second plot was established in 2005 using 100 clones with RCBD that consisted of 3 ramets and 5 replications with spacing of 2 m x 6 m. The observation and measurement on height and diameter at breast height/dbh were carried out periodically in every year to determine the level of plant growth The results showed that the average growth at the age of 5 years in two test plot clones are height from 8,73 to 9,97 m , tree diameter from 8.61 to 13.14 cm and tree volume estimated 0,046 - 0,103 m3. Estimated heritability clones of tree height and diameter were 0,18; 0,29 in plot 1 and 0,32; 0,38 in plot 2.
Keanekaragaman dan Pemanfaatan Tumbuhan Bawah pada Lahan Agroforestry di Desa Alu Kecamatan Alu Kabupaten Polewali Mandar mahfudz, mahfudz; Rusmidin
Pangale Journal of Forestry and Environment Vol 3 No 1 (2023): Pangale
Publisher : Program Studi Kehutanan Fakultas Pertanian dan Kehutanan Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/pangale.v3i1.2789

Abstract

Undergrowth has a very important role in the ecosystem, including in nutrient cycling, reducing erosion, increasing infiltration, as a source of germplasm and a source of medicines. This research was conducted in Alu Village, Alu District, Polewali Mandar Regency, which aims to determine the diversity of species and the use of undergrowth in agroforestry land cover by the Alu Village community. The research was conducted in August-October 2022. This type of research is quantitative. This research was conducted by means of inventory and identification of undergrowth by making 5x5 m plots in mountainous areas, farms, and settlements. The results of the study obtained 35 types of understorey vegetation spread over the three points. In mountainous areas and settlements, 18 types of vegetation were found and on farms, 15 types of vegetation were found. The diversity of understorey species in Alu Village is moderate. There are 16 types of undergrowth vegetation used by the people of Alu Village.
MENINGKATKAN HASIL BAWANG MERAH (Allium aggregatum L.) DENGAN PUPUK CAIR ECO FARMING Lismawati, Lismawati; Mahfudz, Mahfudz; Maemunah, Maemunah
AGROTEKBIS : JURNAL ILMU PERTANIAN (e-journal) Vol 11 No 6 (2023): December
Publisher : Fakultas Pertanian, Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/agrotekbis.v11i6.1996

Abstract

Bawang merah (Allium ascalonicum. L.) merupakan salah satu komoditas sayuran yang memiliki nilai ekonomis tinggi, baik ditinjau dari sisi pemenuhan konsumsi nasional, sumber penghasilan petani, maupun potensinya sebagai penghasil devisa negara. Penelitian ini bertujuan untuk mendapatkan dosis pupuk organik cair Eco farming dalam meningkatkan pertumbuhan dan hasil tanaman bawang merah varietas bima. Penelitian ini dilaksanakan di Kebun Akademik Fakultas Pertanian Universitas Tadulako dari bulan Januari sampai Maret 2022. Penelitian ini menggunakan Rancangan Acak Kelompok satu faktor yaitu dosis POC yang terdiri dari enam taraf yaitu: 1) kontrol (tanpa pupuk), 2) 28 ml Eco farming, 3) 50 ml Eco farming, 4) 85 ml Eco farming, 5) 115 ml Eco farming, 6) 135 ml Eco farming. Setiap perlakuan diulang tiga kali sebagai kelompok sehingga terdapat 18 satuan percobaan. Masing-masing percobaan diujikan tiga tanaman sehingga terdapat 54 polybag. Data dianalisis dengan ANOVA dan dilanjutkan dengan uji Beda Nyata Jujur. Hasil penelitian menunjukkan bahwa pemberian POC Eco farming pengaruhnya tidak nyata terhadap pertumbuhan dan hasil tanaman bawang merah, dengan kata lain, dosis POC yang dicobakan tidak memberikan respons tanaman yang berbeda. Secara visual tanggapan tanaman tersebut memperlihatkan pertumbuhan yang berbeda, tetapi pemberian POC Eco farming sangat baik. Perlakuan 50 ml l-1 air cenderung lebih baik terhadap komponen pertumbuhan (tinggi tanaman, jumlah daun) dan hasil (diameter umbi), akan tetapi perlakuan POC 85 ml l-1 air berpengaruh lebih baik pada berat segar dan berat daun segar, pemberian POC 115 ml l-1 air berpengaruh lebih baik pada jumlah umbi per tanaman dan berat kering umbi per tanaman, pemberian POC 135 ml l-1 air lebih baik pada berat basah umbi per tanaman dan total padatan terlarut.
Peran PT. Jhonlin Batu Mandiri Dalam Menigkatkankat Ekonomi dan Kesjahteraan Masyarakat Desa Watu-Watu Kecamatan Lantari Jaya, Kabupaten Bombana Rahman, Muljibir; Mahfudz, Mahfudz; Toar, Alfian; B, Jumiati
Robust: Research of Business and Economics Studies Vol. 2 No. 1 (2022): April 2022
Publisher : IAIN Kendari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31332/robust.v2i1.4039

Abstract

PT. Jhonlin Batu Mandiri adalah industri perusahaan tebu yang terletak di desa watu-watu Kecamatan Lantari Jaya, Kabupaten Bombana yang yang berdiri pada tahun 2017 dan memiliki tanah seluas -+ 4700 Ha dengan jumlah karyawan sebanyak 634 orang. PT. Jhonlin Batu Mandiri memiliki peran dalam menurunkan angka kemiskinan masyarakat desa watu-watu. Selain itu PT. Jhonlin mampu membuka lapangan kerja dan meningkatkan perekonomian dan kesejahteraan masyarakat desa watu-watu. Adapun metode yang digunakan dalam penelitian ini adalah metode kualitatif dengan menggunakan teknik pengumpulan data lapangan, dimana data-data dalam penelitian ini diambil langsung di PT. Jhonlin Batu Mandiri yang terletak desa watu-watu.
Dampak Pertambangan Terhadap Ekonomi Masyarakat Pesisir Prespektif Ekonomi Islam (Studi Kasus Desa Laroinai Kec. Bungku Pesisir Kab. Morowali) Mahfudz, Mahfudz
Robust: Research of Business and Economics Studies Vol. 3 No. 1 (2023): April 2023
Publisher : IAIN Kendari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31332/robust.v3i1.5765

Abstract

AbstractIndonesia's mining industry, encompassing coal, nickel, gold, and other resources, is crucial to its economy. However, this research aims to investigate the multifaceted economic impact of mining activities on coastal communities. Findings reveal both positive and negative consequences. Positively, mining generates employment, increases local income, stimulates business, and enhances purchasing power. Conversely, it triggers environmental degradation, including murky waters, coral reef damage, and mangrove ecosystem disruption, as well as harm to public infrastructure, causing floods and clean water scarcity. From an Islamic economic standpoint, these mining practices in the coastal area of Bungku are inconsistent with Quranic and Hadith teachings and violate ethical principles governing resource management.AbstrakIndonesia adalah salah satu negara yang memiliki industri pertambangan seperti batu bara, nikel, emas, perak, tima, dan minyak bumi lainnya. Pertambangan di Indonesia tersebar diberbagai wilayah baik darat mapun laut. Sehingga industri pertambangan Indonesia mampu berkontribusi terhadap pertumuhan ekonomi, serta mampu memberikan dampak ekonomi terhadap masyarakat. Adapun tujuan dari penelitian ini adalah untuk mengeksplorasi dampak ekonomi pertambangan terhadap masayarakat pesisir baik dampak positif maupun dampak negatif. Adapun metode yang dugunakan dalah pendekatan kualitatif dengan metode pengumpulan data berupa observasi, wawancara dan dokumentasi. Hasil penelitian ini menunjukkan bahwa pertambangan memberikan dampak ekonomi positif dan negatif. Damapak positif pertambangan yang ada di bungku pesisir adalah terbukanya lapangan kerja, meningkatnya pendapatan masayarakat, terjadi peningkatan penjualan terhadap pelaku usaha, daya beli masyarakat yang semakin tinggi. Dampak negatif dari pertambangan tersebut adalah terjadinya kerusakan alam, mangakibatkan air laut keruh, merusak terumbu karang, dan merusak ekosistem hutan bakau, rusaknya jalan umum, mengakibatkan banjir dan kekurangan air bersih. Dalam prespektif ekonomi islam melihat bahwa eksplorasi tambang yang ada di bungku pesisir tidak sesuai dengan pesan al-qur’an dan hadis nabi serta melanggar nilai-nilai etika dalam pengelolaan sumber daya alam.
PRESEPSI DEVELOPER PROPERTI SYARI'AH TERHADAP PEMBIAYAAN KPR AKAD MURABAHAH PADA PERBANKAN SYARI'AH DI KOTA KENDARI Pilo, Fandy Izmi; Mahfudz, Mahfudz
Robust: Research of Business and Economics Studies Vol. 3 No. 2 (2023): Oktober 2023
Publisher : IAIN Kendari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31332/robust.v3i2.7877

Abstract

This study aims to analyze the perceptions of property developers towards the practice of murabaha contract KPR financing in Islamic banking in Kendari City. Qualitative research with an explanatory approach with an in-depth interview method with informants, namely Islamic property developers who run a house buying and selling business in Kendari city, resulted in research conclusions showing that Islamic property developers perceive the practice of murabaha contract KPR financing in Islamic banking to contain several problems. From the aspect of the perpetrator, it is considered that it does not fulfill the pillars of buying and selling; when the transaction agreement, the fact that a house has been sold that has not been owned, financing by the bank is more accurately called a loan contract than a sale and purchase so that the margin is more like usury; the use of the house (the object of buying and selling) as collateral has violated the principle of transferring ownership; late fees are the same as usury; and the application of life and fire insurance contains gharar, speculation, violates the principles of tabarru' and dhaman, and there are two contracts in one transaction.
PENERAPAN KHIYAR DALAM SISTEM JUAL BELI BUAH DI QISYA BUAH ANDONOHU Putri, Julia; Mahfudz, Mahfudz
Robust: Research of Business and Economics Studies Vol. 3 No. 2 (2023): Oktober 2023
Publisher : IAIN Kendari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31332/robust.v3i2.7892

Abstract

Qisya Buah Andonohu is a fruit sales business whose sales process uses an offline and online buying and selling system. Buying and selling itself is an activity of exchanging goods for money, by relinquishing property rights from one to another. Meanwhile, online buying and selling is a buying and selling contract carried out using electronic means as a medium. When buying and selling activities take place in order to realize a good and honest transaction, it is best for the seller and buyer to apply khiyar in their buying and selling. Where khiyar is the perpetrator's right to choose to continue or cancel the transaction. In transaction activities there will definitely still be problems, the same thing happens in the buying and selling system at Qisya Buah Andonohu. The situation where buyers find that the fruit they have purchased is damaged or defective, this cannot be avoided considering that no matter how good or good the seller is at making sales, there will definitely be times when things will not be in accordance with the desired wishes. So the existing problems make it important to implement khiyar. Based on the background description, the problems that can be formulated are 1) what type of khiyar is applied at Qisya Buah Andonohu, and 2) how is khiyar applied at Qisya Buah Andonohu. This research uses a qualitative descriptive research method, the data collected is based on the results of observations, interviews and documentation carried out by researchers. The results of this research are that the buying and selling system carried out at Qisya Buah Andonohu, whether buying and selling offline or online, has implemented three types of khiyar in its buying and selling system. The Khiyar that have been applied to the buying and selling system at Qisya Buah Andonohu are Khiyar Majlis, Khiyar 'Aib, and Khiyar Terms.
The Relationship Between the Executive and Legislative Branches in Regional Financial Governance: An Analysis of the Roles of the Governor and the Provincial Parliament (DPRD): Relasi Eksekutif dan Legislatif dalam Tata Kelola Keuangan Daerah: Analisis Peran Gubernur dan DPRD Provinsi Rum, Jalaluddin; Mahfudz, Mahfudz; Kalsum, Ummi
Robust: Research of Business and Economics Studies Vol. 5 No. 2 (2025): Oktober 2025
Publisher : IAIN Kendari

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to analyze the role of the Governor as the budget executor in influencing the performance of members of the Regional House of Representatives (DPRD) of Southeast Sulawesi Province. The research method employed is descriptive qualitative, using a literature/media documentation approach, in-depth interviews, and budget document analysis. Data were collected from local government financial reports, as well as the perspectives of DPRD members and executive officials. The findings indicate that: (1) the performance of DPRD members of Southeast Sulawesi Province in budget-related matters is influenced by the timeliness of discussions in accordance with the schedule, the quality of oversight, responsiveness, accountability, and coordination with the Governor as the budget executor; (2) there is a lack of technical capacity among council members in “reading” complex financial reports; and (3) the executive branch still tends to play a dominant role as a governmental partner.
Organizational Commitment in Tourism: Roles of Work Involvement, Organizational Justice, and Job Satisfaction Alfato Yusnar Kharismasyah; Suharnomo Suharnomo; Mahfudz Mahfudz
Business and Applied Management Journal Vol. 4 No. 1 (2026)
Publisher : Al-Qalam Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61987/bamj.v4i1.2265

Abstract

Organisational commitment remains a critical issue in the tourism industry because employee retention and service quality depend heavily on employees' attitudes toward their organisations. Although previous studies have examined organisational commitment extensively, limited attention has been given to the simultaneous roles of work involvement and organisational justice in relation to job satisfaction in tourism organisations. This study aims to examine the effects of work involvement and organisational justice on organisational commitment, with job satisfaction serving as a mediating variable. A quantitative approach was employed, using data collected from 112 employees at Owabong Waterpark in Indonesia. The data were analysed using Partial Least Squares Structural Equation Modelling (PLS-SEM) with SmartPLS 4.0. The findings reveal that work involvement and organisational justice significantly enhance both job satisfaction and organisational commitment. Job satisfaction also has a significant positive effect on organisational commitment and partially mediates the relationships between work involvement, organisational justice, and organisational commitment. These findings support Social Exchange Theory by demonstrating that employees who perceive fair treatment and actively engage in their work develop greater job satisfaction, which subsequently strengthens organisational commitment. This study contributes to the organisational behaviour literature by extending the application of Social Exchange Theory in the tourism sector and providing empirical evidence on the mediating role of job satisfaction.
The Effect of Nutrition Supply Duration and KNO3 Concentration on Melon Growth and Yield Susna, Susna; Mahfudz, Mahfudz; Rauf, Abdul
AGROLAND The Agricultural Sciences Journal (e-Journal) Vol 12 No 2 (2025): December
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/agroland.v12i2.2789

Abstract

This study aimed to evaluate the effect of the interaction between the duration of AB-Mix nutrient solution application and the concentration of Potassium Nitrate (KNO3) on the growth and yield of melon plants. The decrease in the sweetness of melon fruit is often associated with the use of low potassium NPK fertilizers. KNO3 is known to play an important role in improving fruit quality, especially sweetness. This study used a split-plot design with four levels of nutrient application duration (D1, D2, D3, D4) as the main plot and three levels of KNO3 concentration (K0=control, K1=850 ppm, K2=1000 ppm) as subplots, replicated four times to produce 48 experimental units. The results showed that the treatment of nutrient solution application interval (D) significantly affected plant height at 2 and 3 WAP and the number of leaves at 2, 3, 4, and 7 WAP, and the number of female flowers. The application of KNO3 (K) fertilizer significantly affected plant height at 2, 3, and 5 WAP, as well as the level of fruit sweetness (Brix). The interaction between the two treatments showed no significant effect on growth parameters and yield. Treatment D4 (the longest watering duration) resulted in a significant increase in plant height, while D3 produced the highest number of leaves and female flowers. A concentration of 1000 ppm KNO3 (K2) alone increased fruit sweetness.
Co-Authors A.A. Ketut Agung Cahyawan W Abd. Rauf Abdul Rauf Aden Tatag Surya Bhara Dhaksa Alam Anshary Alfato Yusnar Kharismasyah Alfian Sabila, Dandy Alfian Toar, Alfian Amany Irwanto, Nabila Fadiya Anindyta Mauliandari Arantika, I Wayan Ova B, Jumiati Bolong, Aprianto Burhan Ismail, Burhan Elsafiana, Elsafiana Faizal Fachri, Muhamad Fathi, Muhamad Fitria, Fariza Dewi Hamdan , Hamdan Adma Hamdan Adma Adinugraha Hamdan, Hamdan Adma Adinugraha Harry Soesanto Hidayatullah, Annas Irawan Ismail, Burhan Ismail Isnu Nurrochman, Isnu Jarniati, Jarniati Jaya Sakti, Brillyan Kartika Bungas Kautsar, Namal Labdhagati, Haifa Lismawati, Lismawati M. S. N., Utomo Maemunah Maemunah Maria Josephine Widya Arshita Kussulisty, Maria Josephine Widya Arshita Mariska, Angela Markus, Novita Lely Marpi, Arpika Maryani Maryani Maulana, Denny Muhammad Basir Cyio Muhammad Sukron Muhdam Azhar Muljibir Rahman, Muljibir Nazahah Juhana, Manar Palaguna Haana, Halber Paramitha Azizah Nursyabani, Paramitha Azizah Pilo, Fandy Izmi Putri, Intan Tsania Putri, Julia Rafi, Muhamad Arya Ramadhan Noor Rachman Fatoni Ranita Agustina Riatri, Alya Yumna Ridho Dwinurcahyo, Ridho Rum, Jalaluddin Rusmidin, Rusmidin S Sunarti Saddam F, Muammar Sakka Samudin Setiawan, Zakaria Anam Setyaningrum Setyaningrum Shahabuddin Saleh Sidiq Permono Nugroho Simson, Simson Sucitra Ika Putri, Nur Sugeng , Sugeng Pudjiono Sugeng Pudjiono, Sugeng Suharnomo Suharnomo Sulistyawati, Poppy Dyah Sundawa, Afdholul Ihsan Surviola, Anggun Susilo Toto Rahardjo Susilo Toto Raharjo Susna, Susna Suthama, Suthama Syamsiar, Syamsiar Tajuddin Akbar Tiara Trie Chandra Dewi, Tiara Trie Chandra Usman Made Vahdist, Riski Wahid Mongkito, Abdul Wibawana, Widhia Arum Wijayanto, Andika Wahyu Wijayasari, Nilla Wike Winarti