Surya Darma
Jurusan Ilmu Tanah Fakultas Pertanian Universitas Mulawarman Alamat: Kampus Gunung Kelua, Jl. Pasir Balengkong Samarinda

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Identifikasi Produktivitas Pekarangan Berdasarkan Periode Panen Untuk Menunjang Ketahanan Pangan Rumah Tangga di Kecamatan Sangatta Utara Bahar Bahar; Taufan Purwokusumaning Daru; Hadi Pranoto; Surya Darma; Suria Darma Idris
Jurnal Pertanian Terpadu Vol 8 No 2 (2020): Jurnal Pertanian Terpadu Jilid VIII Nomor 2 Desember 2020
Publisher : Sekolah Tinggi Pertanian Kutai Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36084/jpt..v8i2.269

Abstract

Ketahanan pangan telah menjadi tantangan utama berbagai negara termasuk Indonesia. Permasalahan ketahanan pangan merupakan permasalahan lokal, nasional, dan global yang terus dicari solusinya. Tujuan penelitian adalah untuk mengidentifikasi komposisi, pola pemanfaatan, produksi, produktivitas dan potensi pemanfaatan lahan pekarangan masyarakat untuk mendukung ketahanan pangan keluarga di Kecamatan Sangatta Utara Kabupaten Kutai Timur. Penelitian ini dilaksanakan pada bulan April–Mei 2019 di Kabupaten Kutai Timur Kecamatan Sangatta Utara. Metode yang digunakan adalah metode survei. Sampel berasal dari rumah tangga petani sebanyak 30 sampel secara sengaja (purposive sampling) dengan luas lahan pekarangan yang dikelompokan menjadi tiga strata yaitu strata 1 (0,5–1.0 ha), strata 2 (>1–1,5 ha) dan strata 3 (>1,5–2,0 ha). Data yang diperoleh dianalisis secara deskriptif (dikuantitatifkan) dengan Analysis of Data Regression by Excel Office 2010. Pemanfaatan lahan pekarangan di Kecamatan Sangatta Utara memberikan kontribusi cukup besar dalam peningkatan ekonomi rumah tangga dan menunjang ketahanan pangan keluarga. Tingkat produksi menunjukkan pendapatan dari lahan pekarangan rumah tangga tinggi, dengan rata-rata pendapatan diatas 75 kg beras bulan-1.
Kesesuaian Lahan Padi Sawah di Desa Bumi Rapak dan Desa Selangkau Kabupaten Kutai Timur: Land Suitability of Rice Fields in Bumi Rapak Village and Selangkau Village East Kutai Regency Surya Darma
Jurnal Ilmu Tanah dan Lingkungan Vol 24 No 1 (2022): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitl.24.1.32-38

Abstract

The major production of paddy fields is grain, which produces rice as the principal ingredient of Indonesian people’s food. The characteristics of the land that can be evaluated or not suitable and the limiting factors influence the suitability of land for lowland rice. East Kutai Regency in East Kalimantan Province has a fairly large paddy field as a grain producer in Bumi Rapak Village and Selangkau Village. The research objectives to understand and explore the suitability class of paddy fields in Bumi Rapak Village, Selangkau Village, and the principal limiting factors. The method applied by matching the growing requirements of lowland rice with the characteristics of paddy fields. We prove that the low availability of P2O5 nutrients so that the actual land suitability class for lowland rice is marginally suitable (S3) and sub-class S3n; the productivity is only 4.54 tons (ha-1). Improvement efforts carried out by low-to-moderate inputs with the application of SP-36 fertilizer at a dose of 100 kg (ha-1) per growing season, the suitability class increases of quite appropriate (S2) and the S2n sub-class expected to increase productivity to 5.00-6.00 tons (ha-1).
IDENTIFIKASI STATUS KERUSAKAN TANAH UNTUK PRODUKSI BIOMASSA DI KECAMATAN TANJUNG PALAS TIMUR KABUPATEN BULUNGAN PROVINSI KALTARA Surya Darma
ZIRAA'AH MAJALAH ILMIAH PERTANIAN Vol 42, No 1 (2017)
Publisher : Pusat Publikasi Jurnal Universitas Islam Kalimantan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/zmip.v42i1.637

Abstract

The purpose of this study identify the parameters of the land degradation, in order to know the level of damage that occurs as a decision-making approach to the problem so that appropriate land productivity does not decreased, even increased as the cultivated area has a function for biomass production.  The first step was to determine the potential indicative soil damage by overlaying the GIS-based digital maps, such as the map of soil type, slope, rainfall and land cover maps and then with RTRW/K.  The result obtained that there are 4 classes of indicative damage land, they are very low, low, medium and high.  The next focus was on the location of the high level damage potential, particularly in the village of Tanah Kuning, sub district of East Tanjung Palas.  Result from field verification showed that effective soil depth (solum soil) > 150 cm, slope 15-25% and 6 soil samples taken for laboratory analyzes.  The results of the evaluation of 10 land damage parameters showed that there are 2 parameters exceed a critical threshold, namely the composition of the fractions and pH (acidity) of the soil.  The parameter exceeds a critical threshold pH found on all samples (6 samples), while the composition of the fraction was only one sample.  Based on the relative frequency score status of soil damage is minor damage with the limiting factors are composition of sand fraction and the pH of acid soils.  Remedial action against excessive sand composition was difficult because of permanent nature, while improving the soil pH (very acid) can be reduced with the application of agricultural lime and organic compost.
Menyalurkan Informasi dan Meninjau Gangguan Produktivitas TBS Kebun Sawit Penduduk di Desa Saliki (Kecamatan Muara Badak, Kabupaten Kutai Kartanegara): Channeling Information and Reviewing FFB Productivity Disruptions Residents' Palm Oil Gardens in Saliki Village (Muara Badak District, Kutai Kartanegara Regency) Surya Darma
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 7 No. 6 (2022): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v7i6.3787

Abstract

The productivity of fresh fruit bunches (FFB) of independent plasma plantations owned by residents of Saliki Village, located in Muara Badak District (Kutai Kartanegara), is only around 1 ton/ha/month. This gain is much smaller than the productivity level of the oil palm plantations managed by the company. In the last two years, the increase in FFB prices has spurred farmers to increase the productivity of their oil palm plantations by investigating the decline in the productivity of their plantations with other more competent parties. The soil analysis findings showed that the macronutrient content of N and K2O was low, and it classified P2O5 as low, a limiting factor for productivity. Early fertilization until 6-8 years is dominant, with compound fertilizer (15N:15P:15K) as the key attribute that implies a non-compliance with the recommended dose. When the age of planting increases, but there is an imbalance of nutrients, it will affect low productivity. The lack of understanding and knowledge of farmers causes this assumption about nutrient content and the use of fertilizers. The implementation method is supported through a comprehensive technical guidance with oil palm FFB farmers in the selected area within 2 sessions. After the field meeting, the researcher recommended the relevant dose of fertilization (kg/tree/year). Through this discussion, the researchers disseminated valuable insights to oil palm farmers in order to stimulate, strengthen references, and identify types of fertilizers that are in line with the nutrients and content in the palm oil fertilization phase in order to improve FFB productivity.
PENINGKATAN EFISIENSI PEMUPUKAN FOSFOR PADA ULTISOL DENGAN MENGGUNAKAN ABU TERBANG BATUBARA F Fahrunsyah; M Mulyadi; Agus Sarjono; Surya Darma
Jurnal Tanah dan Sumberdaya Lahan Vol. 8 No. 1 (2021)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (810.485 KB) | DOI: 10.21776/ub.jtsl.2021.008.1.22

Abstract

Ultisol is one type of soil that has a very wide distribution in Indonesia, but the use of this soil faces many obstacles. The main problem in ultisol utilization is the low availability of phosphorus (P) and the low absorption efficiency. Coal fly ash (CFA) is a material that can overcome these problems. The objective of this study was to examine the effect of Application CFA on several soil chemical properties (pH, exchangeable Al, exchangeable Ca and available P), plant growth, yield, and absorption efficiency of P fertilizer. This study used a completely randomized factorial design consisting of two factors. The first factor was CFA that consisted of three levels of treatment, namely: A0 = 0 t ha-1 or without CFA, A1 = 40 t CFA ha-1, A2 = 80 t CFA ha-1. The second factor was P fertilizer that consisted of four levels of treatment, namely: P0 = 0 kg ha-1, P1 = 30 kg P ha-1, P2 = 60 kg P ha-1 and P3 = 90 kg P ha-1. The results of the study showed that the application of 80 t CFA ha-1 increased the pH by 13.41%, reduced exchangeable Al by 59.53% and increased exchangeable by Ca 192.66% compared to control. The combination 80 t CFA ha-1 and 90 kg P ha-1 increased available P by 986.79% compared to control. The application of 80 t CFA ha-1 resulted in the highest total plant dry weight and total P uptake. The treatment resulted in total plant dry weight of 172.96 g and total P uptake of 187.62 mg plant-1, increased 62.39% and 100.21% respectively compared to the control. The application of 90 kg P fertilizer ha-1 resulted in the highest total dry weight of maize, and total P uptake, namely 167.49 g and 174.39 mg plant-1, respectively, which means that the total plant dry weight increased by 51.00% and the total uptake P increased 69.79% compared to control. The highest seed dry weight was obtained in the combination of 80 t CFA ha-1 and 90 kg P ha-1, namely 39.33 g, an increase of 715.53% compared to the control. The combination of 40 t CFA ha-1 and 30 kg P ha-1 resulted in the highest absorption efficiency of P fertilizer, namely 30.43%. This means that in this treatment, maize can absorb 30.43% of the applied P fertilizer.