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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Penelitian Pertanian Terapan JURNAL GALUNG TROPIKA AGROTEK: Jurnal Ilmiah Ilmu Pertanian Jurnal Pengabdian Masyarakat UNIPOL Perbal: Jurnal Pertanian Berkelanjutan
Sudirman Numba
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Mathematics Transportation

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EVALUASI KESESUAIAN LAHAN TANAMAN HORTIKULTURA PADA LAHAN KERING DI KECAMATAN EREMERASA KABUPATEN BANTAENG Saida, Saida; Robbo, Anwar; Haris, Abdul; Numba, Sudirman; Gaozhal, Ahmad
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 9, No 2 (2025): September
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v9i2.974

Abstract

of Indonesia, from June to July 2023. This study aimed to evaluate the actual and potential suitability classes of horticultural crops and limiting factors. The research method was quantitative descriptive, based on the FAO method modified by the Ministry of Agriculture according to land characteristics. The results showed that tomatoes and chillies in actual land suitability classes 1, 2, 3, 4, 7, 11, 12, 13, 14, 17, and 19 were marginally suitable (S3) and land class 5. Land suitability classes 6, 8, 9, 10, 15, 16, and 18 are unsuitable (N).
Penampilan Pertumbuhan dan Hasil Beberapa Genotipe Jagung Calon Hibrida Umur Genjah di Lahan Kering ,, St. Subaedah; Numba, Sudirman; Saida, dan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 46 No. 2 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (324.302 KB) | DOI: 10.24831/jai.v46i2.16400

Abstract

Maize is commonly developed in dry land areas with limited irrigation water in Indonesia, thereby posing a threat to its poductivity. Thus, availability of early harvest varieties able to adapt to limited water is important. The aim of this study was to analyze the performance of maize hybrid genotypes candidates in dry land. The research was conducted from April to July 2016 at Gowa, South Sulawesi. The experiment   was designed with a randomized complete block design consisting of 8 genotypes, namely GJ1, GJ2, GJ3, GJ4, GJ5, GJ6, GJ7, GJ8, and two control varieties, i.e., Bima 7 and Lamuru.  The results showed genotypes GJ1, GJ6, GJ7 and GJ8 had higher plant growth as compared to Bima 7 and Lamuru.  All genotypes were harvested less than  90 days. Genotypes GJ6, GJ7, and GJ8  yielded 6.85 tons ha-1, 6.51  tons ha-1 and 8.31 tons ha-1, respectively, which were higher 13-45% than the Lamuru control variety. Because this experiment was carried out in an optimun condition, it would be necessary to further study the three genotypes in drought stress conditions before being developed for early harvest and high yielding hybrid varieties.
Analysis of soil fertility status on rice (Oryza sativa L.) planted land in Polewali District, Polewali Mandar Regency Numba, Sudirman; Haris , Abdul; Saidah; Haris, B. Ibrahim; Ashar , Jabal Rahmat; Hari Sucipto , Muh. Ibnu
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 52 No. 1 (2024): Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24831/jai.v52i1.53514

Abstract

Rice is the main food commodity in Indonesia. The main abiotic factor affecting rice productivity is soil fertility. This study aimed to determine the soil fertility status (SFS) of paddy fields in Polewali District, Polewali Mandar Regency, West Sulawesi. The research was conducted by surveying soil characteristics supported by soil chemical analysis at the Laboratory of Soil Science and Environmental Conservation, Faculty of Agriculture, Universitas Muslim Indonesia. The research was conducted in Polewali District, with the survey area consisting of 4 land map units (LMU). Soil fertility status was determined based on the criteria of each soil fertility parameter, namely: soil pH, organic C-content, cation exchange capacity, available P, Potassium content, and base saturation. The results showed that the SFS in Polewali District was classified as low. Only the base saturation parameters in LMU-2 and LMU-3 were classified as high. In addition, all parameters were only classified as very low to medium at all LMUs. Low C-organic content and very low P and K content are the main limiting factors for SFS. Recommended land management to improve soil fertility is the addition of organic matter that can increase total nitrogen and C-organic in the soil and the application of manure. Keywords: Soil fertility status, paddy fields, rice plants
OPTIMASI TEKNOLOGI PRODUKSI BENIH KENTANG VERIETAS CP3 MELALUI PENGATURAN JARAK TANAM DAN APLIKASI PGPR DI LAPANGAN Usman, Hardiana; Netty, Netty; Numba, Sudirman
AGROTEK: Jurnal Ilmiah Ilmu Pertanian Vol 10, No 1 (2026): Maret
Publisher : Percetakan Umi Toaha Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/agrotek.v10i1.1169

Abstract

Increasing potato seed production requires implementing appropriate cultivation technologies, particularly in plant spacing management and the use of biological agents such as Plant Growth-Promoting Rhizobacteria (PGPR). This study aimed to analyze the interaction effect between plant spacing and PGPR application on the growth and yield of CP3 potato seed under field conditions and to determine the optimal treatment combination for producing small-sized tubers suitable for seed purposes. The research was conducted from August to December at P4S Bulu Ballea, Gowa Regency, located at an altitude of approximately 1,200 m above sea level, using a two-factor Randomized Block Design (RBD) with three replications. The first factor consisted of plant spacing (40 cm × 30 cm, 40 cm × 20 cm, and 40 cm × 10 cm), while the second factor was PGPR concentration (20, 30, and 40 ml l⁻¹). The observed parameters included plant height, number of leaves, stem diameter, number of branches, tuber diameter, number of tubers per plant, tuber weight per plant, tuber weight per plot, and productivity per hectare. Data were analyzed using analysis of variance (ANOVA) followed by the Honestly Significant Difference (HSD) test at the 5% significance level. The results showed that PGPR application significantly affected plant height (92.04 cm) and tuber diameter (7.74 mm), whereas plant spacing significantly influenced the number of branches (3.29 branches), tuber length (7.03 cm), tuber diameter (53.30 mm), tuber weight per plant (99.81 g), tuber weight per plot (1,083.00 g), and yield (10.83 t ha⁻¹). The closest spacing (40 cm × 10 cm) produced tuber sizes suitable for seed production. These findings indicate that optimizing plant spacing and PGPR application synergistically enhances CP3 potato seed production under field conditions.
Co-Authors ,, St. Subaedah Abdul Haris Abdullah Abdullah Akbar, Abdul Aminah Aminah AMIRUDDIN SYAM Ashar , Jabal Rahmat Edy Edy Fadjry Djufry Fatmawati Fatmawati Gaozhal, Ahmad Hari Sucipto , Muh. Ibnu Haris , Abdul Haris, B. Ibrahim Hazisah, Nur Ibrahim, Bakhtiar Imaniar, Mutiara ISKANDAR HASAN Jabal Rahmat Ashar Lestari, Cindy Netty Netty Nuraeni Nuraeni Nurilham, Nurilham Palad, Marliana S Palad, Marliana S. Rahman K., Abd. Ridwan, Rahmat Robbo, Anwar S. Gani, Mahir Sahur, Asmiaty Saida, dan Saida, Saida Saidah Syam, Netty Syam, Netty Tri Yani Usman, Hardiana