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Jurnal Ecosolum

ecosolum
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Published by Universitas Hasanuddin

ISSN : 22527923 EISSN : 2654430X DOI : -

Core Subject : Science, Agriculture, Social, Engineering,

Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science

Jurnal Ecosolum (JES) adalah jurnal berkalah ilmiah yang diterbitkan oleh Departemen Ilmu Tanah, Fakultas Pertanian, Universitas Hasanuddin. Jurnal ini berisi hasil-hasil penghiliran penelitian pada bidang ilmu pertanian, kehutanan, geologi, geografi, hidrologi, dan penginderaan jauh. Jurnal ini diterbitkan dua kali dalam setahun yaitu pada Juni dan Desember.

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Articles 6 Documents

Search results for , issue "Vol. 8 No. 2 (2019): DESEMBER" : 6 Documents clear

Identifikasi Status Hara Tanah pada Lahan Kering sebagai Dasar Pemupukan Kedelai di Kecamatan Andoolo Kabupaten Konawe Selatan Musyadik Musyadik
Jurnal Ecosolum Vol. 8 No. 2 (2019): DESEMBER
Publisher : Universitas Hasanuddin

Soybean is a potential type of legume plant to be developed in Andoolo District, South Konawe Regency. However, the soybeans production is still relatively low. The main problem in the low production of soybeans is the unavailability of information on soil fertility status, especially the status of organic C-nutrients, P and K. Therefore information on soil nutrient status is very necessary. The study was conducted in the village of Ataku, Andoolo District, South Konawe Regency in May to July 2018 using the Dry Soil Test Equipment (PUTK) method. There were 27 soil samples taken randomly to obtain soil nutrient status including organic matter, P, K and soil pH and recommendations for soybean fertilizer dosages in the Andoolo District. The results of this study showed that C-Organic status, P, K and pH in Andoolo District varied. Based on the results of the analysis, the recommended fertilizer dosage in Andoolo District is giving 2 tons/ha of organic matter plus 200 kg/ha of Urea fertilizer, 200 kg/ha of SP36, and 100 kg/ha of KCl for low K status, 75 kg/ha of KCl for moderate K status and 50 kg/ha of KCl for soil with high K status. For soil with a very acidic and acidic pH status, it is recommended to give 500 kg/ha of lime doses to increase the soil pH to neutral conditions.

Analisis Indeks Produktivitas Lahan untuk Pengembangan Tanaman Pangan di Bagian Hilir Daerah Irigasi Kampili Muh. Akbar; Burhanuddin Rasyid; Sartika Laban
Jurnal Ecosolum Vol. 8 No. 2 (2019): DESEMBER
Publisher : Universitas Hasanuddin

The large population growth of Indonesia encourages the transition of the function of agricultural land into non-agricultural land. The demand for land from time to time always increased, while the available land limited in number. This caused the conversion of agricultural land into non-agricultural land. This phenomenon certainly could bring serious problems. This study aimed to determine the land productivity index for rice and green beans cultivation and to find out the factors that influence production. The productivity indexes analyzed based on the Storie Approach. Soil sampling was carried out by an open grid method divided based on five land map units which spread across three different villages in Kampili irrigation area. The results of the study indicate that the highest productivity index is shown in SPT 5 where the productivity index is 47 and the lowest productivity index is shown in SPT 2 where the productivity index is 21,6. The land productivity index in the downstream of the Kampili irrigation area, which is located in the district of West Bajeng is poor to sufficient level. The low value of land productivity was strongly influenced due to poor soil quality, especially soil chemical properties. The results of the laboratory analysis show that nutrients in those areas are low.

Different Nitrogen and Dolomite Application Influence to Glutamate Content of Citrus Leaves (Citrus hystrix L.) Nunun Barunawati; Elfita Rahma Aulia; Adi Setiyawan
Jurnal Ecosolum Vol. 8 No. 2 (2019): DESEMBER
Publisher : Universitas Hasanuddin

The extend remobilization of nutrient on crops so far is known well. However, as we assumed that the re-translocation of the particular nutrient as nitrogen has a strong affect to the terpenoid metabolic like citronellol. In many cases, the environment stress such as drought induced volatile compound as citronellol leave in citrus. The aim of experiment is to observe the distribution of citronellol as consequence the distribution of nitrogen on different layer of tree canopy. The method of the research obtain the samples of leaves which were collected from different layer of citrus canopy from 10 samples of trees on each part of field: bottom layer, middle layer and upper layer of canopy. The randomized leaves were collected and analyzed by the HPLC and Spectro-photometer to measure the content of nitrogen and glutamate distribution correlated to citronellol content. The results presents that the closely correlation of distribution of nitrogen between bottom layer, middle layer and upper layer of lemon leaves to produce glutamate and citronellol. The remobilization of nitrogen from bottom leaves content 1.35 ppm followed by middle leaves 1.4 ppm and the highest is the upper leaves is 1.65 ppm. As consequence that the glutamate and citronellol were increase as the same trend as those nutrients distribution. The glutamate seems to be the precursor of the secondary metabolic which was converted into the harvested leaves of citrus. Increasing of 5% glutamate from the upper leaves to the middle leave and the bottom leaves seem to be much accumulated of citronellol content in the bottom leaves.

Karakteristik Ukuran Butir dan Mineral Liat Tanah pada Kejadian Longsor (Studi Kasus: Sub Das Jeneberang) Nur Isra; Syamsul Arifin Lias; Asmita Ahmad
Jurnal Ecosolum Vol. 8 No. 2 (2019): DESEMBER
Publisher : Universitas Hasanuddin

Longsor dapat dipicu oleh karateristik tanah yang terbentuk pada suatu wilayah yang dipengaruhi oleh ukuran fraksi tanah, terutama fraksi tanah yang berukuran lebih halus, yaitu fraksi tanah dari mineral liat. Stabililitas wilayah sub DAS Jeneberang pasca kejadian runtuhnya kaldera Gunung Bawakaraeng, menyebabkan gangguan berupa longsoran disekitar wilayah sub DAS lainnya. Penelitian ini bertujuan untuk mengetahui karakteristik ukuran butir dan mineral liat tanah pada kejadian longsor di sub DAS hulu Jeneberang. Penelitian ini menggunakan metode deskriptif kuantitatif dengan mengidentifikasi ukuran butir menggunakan ayakan ASTM 48 dan mineral liat tanah menggunakan FTIR. Titik longsor (TL) ditentukan dari kejadian longsor yang terjadi dan titik pembanding (TPB) ditentukan dari topografi dan bahan induk yang sama dengan titik longsor. Topografi pada daerah penelitian berombak hingga sangat curam dengan rata-rata curah hujan delapan tahun terakhir 3484 mm/tahun. Hasil analisis Ukuran butiran pada semua titik longsor dan titik pembanding didominasi ukuran 0,5 mm dengan bentuk butiran subrounded pada TL1, TL3, TL5, TL6, TL7, TL8, TL 10, TPB3, TPB4 dan subangular pada TL2, TL4, TL9, TPB1, TPB2. Dari hasil analisis mineral liat bahwa mineral liat dominan pada TL1, TL2, TL3, TL10, TPB1, TPB2 adalah kaolinit. TL6, TL5 adalah haloisit. TL8, TL4 adalah montmorilonit. TL9, TL7, TPB3 adalah klorit dan TPB4 adalah nakrit. Longsor yng terjadi dipicu oleh mineral liat tersedia yaitu kaolinit, haloisit, montmorilonit, dan klorit, sementara ukuran butir tanah tidak memberikan banyak pengaruh pada kejadian longsor.Kata kunci: Sub DAS Jeneberang, Longsor, Ukuran Butir, Mineral Liat Tanah

Peningkatan Unsur Hara Kalium dalam Tanah Melalui Aplikasi POC Batang Pisang dan Sabut Kelapa Sitti Rahma; Burhanuddin Rasyid; Muh. Jayadi
Jurnal Ecosolum Vol. 8 No. 2 (2019): DESEMBER
Publisher : Universitas Hasanuddin

In Indonesia, there is not much use of potassium fertilizer for plants. Generally, farmers are more familiar with nitrogen and phosphorus fertilizers than potassium. This is caused potassium is expensive and hard to find, so there should be another alternative for easily and economic potassium fertilizer. This study aims to analyze the effect of organic liquid fertilizer produced from banana stem and coconut fiber to increase Potassium in soil and maize growth on ex-cassava cultivation land in Moncongloe Bulu Village, Moncongloe District, Maros Regency. The study used randomized block design within two factors and replied for three times. The first factor is coconut liquid fertilizer with 4 levels; SK1 (50 ml/pot), SK2 (100 ml/pot), SK3 (150 ml/pot) and SK4 (200 ml/pot). The second factor is banana liquid fertilizer with 4 levels; BP1 (25ml/pot), BP2 (50ml/pot), BP3 (75ml/pot) and BP4 (100ml/pot), so there are 27 total of treatment units. The results showed that coconut liquid fertilizer significantly affected plant height, number of leaves, dry matter weight, dry root weight, matter weight, root weight, organic carbon, cation exchanged capacity, percentage Potassium of maize, and gained the highest average of Pottassium increasing in soil. Nevertheless, it has not significant effect to soil pH.

Peningkatan Unsur Hara Fospor Tanah Ultisol Melalui Pemberian Pupuk Kandang, Kompos dan Pelet Yafet Hendri Pasang; Muh. Jayadi; Risma Neswati
Jurnal Ecosolum Vol. 8 No. 2 (2019): DESEMBER
Publisher : Universitas Hasanuddin

Ultisol soil has high potential for the development of dryland agriculture. However, this soil use faces obstacles because the nutrient content in Ultisol soils is generally low. This study aims to determine the effect of manure and straw compost on increasing nutrient content of phosphorus in ultisol soil. This study used a completely randomized design (CRD) with 9 levels of treatment, namely P0 = control, P1 = manure 10 tons / ha, P2 = manure 5 tons / ha, P3 = compost 5 tons / ha, P4 = compost 10 ton / ha, P5 = manure 5 tons / ha + compost 10 tons / ha, P6 = manure 10 tons / ha + compost 5 tons / ha, P7 = pellet compost 5 tons / ha, P8 = compost pellets of 10 tons / ha. The treatment was repeated 3 times. The results showed that giving 10 tons / ha of manure plus 5 tons / ha of compost had a significant effect on reducing Al-dd content, and increasing P-available, pH, base saturation, cation exchange capacity and C-organicon Ultisol soil. Giving pellet fertilizer 10 tons / ha gives a real influence on the growth of maize plants.

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