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Rinto Manurung
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Jl. Jendral Ahmad Yani Pontianak. Telp. (0561) 740191 Fax (0561) 740191
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Jurnal Ilmu Tanah dan Sumber Daya Lahan
Published by Universitas Tanjungpura
ISSN : 2443101X     EISSN : 25799800     DOI : https://10.26418/pedontropika
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Research and study in soil science and other fields related, include : Soil physics and conservation Soil chemistry and fertility, Soil biology and biotechnology Clay mineralogy Plant nutrient Pedogenesis Geology and Mineralogy Soil survey and classification Soil reclamation and remediation Soil and Water Quality
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Tanah
Articles 6 Documents
 1 
Search results for , issue "Vol 9, No 1 (2023): Februari" : 6 Documents clear
Pengaruh Perubahan Iklim Terhadap Cekaman Kekeringan pada Tanaman Perkebunan di Pulau Ternate Amiruddin, Amiruddin; Umasugi, Buhari
Pedontropika: Jurnal Ilmu Tanah dan Sumber Daya Lahan Vol 9, No 1 (2023): Februari
Publisher : Soil Science Department, Faculty of Agriculture, Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/pedontropika.v9i1.73649

Abstract

This research aims to determine the type and number of plantation crops experiencing drought and determine the environmental factors that influence the drought of plantation crops on Ternate Island. This research uses survey methods and direct observation in the field. Inventory of drought in plantation crops by making 16 sample plots measuring 100 x 100 m, representing the North, East, South and West slopes. Data analysis using tabulation, statistical and descriptive methods. Determination of drought uses criteria for the level of drought in plantation crops which is based on morphological factors and plant production. The results of the research showed that the total number of plantation plants in the dry category was 1,117 plants (40%), slightly dry, 604 plants (21.6%) and not dry, 1,070 plants (38.3%). The composition of plantation plant types in the dry category includes 886 clove plants, 199 nutmeg plants and 32 coconut plants. The Slightly Dry category includes 427 clove plants, 110 nutmeg plants and 67 coconut plants. Meanwhile, the composition of non-dry plants includes 434 clove plants, 341 nutmeg plants and 295 coconut plants.
Identifikasi dan Kajian Pemanfaatan Sumber Air Sebagai Sumber Air Baku di Kawasan Fungsi Lindung Taman Nasional Gunung Palung Kabupaten Kayong Utara Riduansyah, Riduansyah; Widiarso, Bambang
Pedontropika: Jurnal Ilmu Tanah dan Sumber Daya Lahan Vol 9, No 1 (2023): Februari
Publisher : Soil Science Department, Faculty of Agriculture, Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/pedontropika.v9i1.73566

Abstract

The sustainability of water resources needs to be maintained considering its very important benefits in life and development. Water can be used as raw water for drinking water, water for irrigation, water for daily needs such as bathing and washing, water for industrial needs or water used for other purposes such as fishing and swimming pools. The aim of this study is to provide an accurate and comprehensive condition of the location of potential raw water sources that can be used as raw water sources, identify and study raw water sources in protected functional areas, and provide recommendations for potential raw water sources based on results of the studies carried out. The methods used to identify raw water sources are field observations, interviews, and focus group discussions (FGD). The results of the study show that the locations of water sources that fall into the class I water quality category are water sources located within the Sukadana District area, including: Riam Berasap, Lubuk Tapah/Mentubang, Tiang Jurung, Batu Gamal, Ceremai, Lubuk Baji, Air Genteng /Air Genderia/Peramas, Ne' Utong, Air Unjun/Semebruang, Air Padan/Air Berguruh, Air Keladi, Air Panjang/Sembutak, Air Berguruh/Senebing, Tambak Rawang, Kemambak, Lubuk Tapah/Begasing, Air Mask, Air Pematang/ Pangkalan Taib, Simpang Gasi/Gasi Anang, Pangkalan Ja'I, Air Manggis, and Simpang Saut.
Kadar Air Tanah Gambut pada Kedalaman Berbeda di Desa Rasau Jaya II Kecamatan Rasau Kabupaten Kubu Raya Nusantara, Rossie Wiedya
Pedontropika: Jurnal Ilmu Tanah dan Sumber Daya Lahan Vol 9, No 1 (2023): Februari
Publisher : Soil Science Department, Faculty of Agriculture, Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/pedontropika.v9i1.73673

Abstract

Peatland dynamics are influenced by fluctuations in surface water on a land which can affect the water content of peat soil. The main factors that influence peat soil water content include land type, peat maturity and land elevation which determines the ground water level. The aim of this research is to determine the water content of peat soil at depths of 0-30 cm and 30-60 cm. The study location is in Rasau Jaya II Village, Rasau Jaya District, Kubu Raya Regency, West Kalimantan Province. Sample points are located at 8 (eight) locations with 9 (nine) sample points each at depths of 0-30 cm and 30-60 cm. The types of land in sequence from boring point 1 to 8 are oil palm plantations, rubber-pineapple-fern plantations, pineapple-fern plantations, corn plantations, corn plantations, used corn bushes, used corn bushes and oil palm plantations. The results of the analysis of the average water content at a depth of 0-30 cm at locations 1 to 8 were respectively 397.4%, 346.68%, 624.32%, 416.83%, 651.84%, 560.77% , 661.95% and 352.36% while at a depth of 30-60 cm respectively 772.23%, 780.13%, 764.29%, 748.43%, 973.04%, 970.29%, 787.14%, 911.59%. Based on the results of this analysis, it is known that the water content in the top layer (0-30 cm) is lower than the bottom layer (30-60 cm) with a ratio of 15.9%-61.3%.
Aplikasi Pupuk Majemuk Lengkap Terhadap Pertumbuhan Bibit Nanas Asal Mahkota pada Media Gambut Zulfita, Dwi; Hariyanti, Agus
Pedontropika: Jurnal Ilmu Tanah dan Sumber Daya Lahan Vol 9, No 1 (2023): Februari
Publisher : Soil Science Department, Faculty of Agriculture, Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/pedontropika.v9i1.73707

Abstract

Penelitian ini bertujuan mendapatkan dosis pupuk NPK Mutiara 16:16:16 yang terbaik terhadap pertumbuhan bibit nanas asal mahkota pada media gambut. Penelitian ini dilaksanakan di Kebun Percobaan Fakultas Pertanian Universitas Tanjungpura Pontianak. Penelitian berlangsung dari tanggal 15 Oktober 2017 - 15 Januari 2018. Penelitian ini dilakukan dengan Rancangan Acak Lengkap (CRD) dengan 5 perlakuan dosis pupuk NPK Mutiara 16:16:16 dan 5 ulangan. Perlakuan yang dimaksud adalah p0 (tanpa perlakuan NPK lengkap), p1 (5 g NPK lengkap / tanaman setara dengan 277,78 kg/ha), p2 (10 g NPK lengkap / tanaman setara dengan 555,51 kg/ha), p3 (15 g NPK lengkap/ tanaman setara dengan 833,33 kg/ha) daan p4 (20 g NPK lengkap/ tanaman setara dengan 1111, 11 kg/ha). Variabel yang diamati pada penelitian ini adalah volume akar (cm3), luas daun (cm2), Kadar Klorofil Daun (spad unit), Berat kering Tanaman (g) dan pertambahan Jumlah Daun (helai). Data hasil pengamatan dianalisis secara statistik dengan menggunakan analisis varians (uji F taraf 5%), apabila uji F menunjukkan adanya pengaruh yang nyata dari masing-masing perlakuan dilanjutkan dengan uji jarak berganda Duncan pada taraf 5%. Hasil penelitian menunjukkan bahwa pemberian pupuk NPK Majemuk dengan dosis 15 g /tanaman merupakan perlakuan terbaik untuk pertumbuhan bibit nanas asal mahkota pada media gambut.
Potensi Pengembangan Kawasan Agroekowisata di Kecamatan Singkawang Utara Kota Singkawang Hazriani, Rini
Pedontropika: Jurnal Ilmu Tanah dan Sumber Daya Lahan Vol 9, No 1 (2023): Februari
Publisher : Soil Science Department, Faculty of Agriculture, Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/pedontropika.v9i1.73559

Abstract

Agricultural commodities with their diversity and uniqueness of high value and strengthened by the very diverse cultural richness of Singkawang City have a strong attraction as Agro Tourism, all of which have a great opportunity to become a mainstay in the regional economy. The research aims to inventory and identify potential community land resources for the development of Agroecotourism areas. The research method was carried out in 5 stages: preparation, primary and secondary data collection survey, data processing and analysis and presentation of results (reports and maps). The results of measurements of community-owned land coordinated with the Singkawang City BPN, the total area of land that can be developed as an Agroecotourism area is 1,186 ha, soil types (USDA, 1999) namely Aquandic Dystropept, Typic Haplohemist, Thapto-Histic Fluvaquent and Aquic Psamments, physiography of flat plain land - choppy and very low - medium fertility. Analysis of land potential for agroecotourism areas, namely: KHY (142.56 ha) and MDW (1024,064 ha) suitable for food crops, horticulture, plantation/industry and spices/medicine. HJA (19,799 ha), suitable for food crops, horticulture and plantations/industry. Analysis of water quality, it is known that there are several assessment parameters that do not meet standards so that water rehabilitation at the water location is needed to reduce various chemicals and other suspended materials. The natural tourism potential in this area is in the form of the Sanggang River and Air Hitam River as well as forests. The results of a comprehensive study show that the land of the Setapuk Besar sub-district, North Singkawang District is suitable and feasible to be developed as an Agroecotourism area.
Pengaruh Dosis KNO3 Terhadap Pertumbuhan dan Hasil Bawang Merah di Tanah Gambut Maulidi, Maulidi; Warganda, Warganda; Bandem, Putu Dupa
Pedontropika: Jurnal Ilmu Tanah dan Sumber Daya Lahan Vol 9, No 1 (2023): Februari
Publisher : Soil Science Department, Faculty of Agriculture, Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/pedontropika.v9i1.73709

Abstract

The production of shallots (Allium ascalonicum L.) needs to be improved. Potassium is an essential nutrient needed by shallots. The research aims to obtain the best dosage of KNO3 for red growth and yield in peat. The research was conducted in Rasau Jaya, Kubu Raya Regency. The study was carried out for 7 months. The design used was a Randomized Block Design (RBD) consisting of 5 settings and 5 blocks, containing 6 plant samples. The five treatments were KNO3 (K) fertilizer dosage consisting of k1 = 0 g / plant, k2 = 3 g / plant, k3 = 6 g / plant, k4 = 9 g / plant and k5 = 12 g / plant. Observation variables were number of leaves per clump, tuber diameter per clump, number of tubers per clump, fresh weight of tubers per clump and tuber dry weight per clump. The analysis of variance showed that tretments of dosage of KNO3 were significantly effected to all observation variables. The doseage of KNO3 of 9 g / plant is the best effect on growth and yield of shallots on peat.

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