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Journal of Degraded and Mining Lands Management

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Published by Universitas Brawijaya

ISSN : 2339076X EISSN : 25022458 DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

Journal of Degraded and Mining Lands Management is managed by the International Research Centre for the Management of Degraded and Mining Lands (IRC-MEDMIND), research collaboration between Brawijaya University, Mataram University, Massey University, and Institute of Geochemistry, Chinese Academy of Sciences-China Papers dealing with result of original research, and critical reviews on aspects directed to the management of degraded and mining lands covering topography of a landscape, soil and water quality, biogeochemistry, ecosystem structure and function, and environmental, economic, social and health impacts are welcome with no page charge

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Articles 993 Documents

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Azotobacter population, soil nitrogen and groundnut growth in mercury-contaminated tailing inoculated with Azotobacter Reginawanti Hindersah; Zellya Handyman; Febby Nur Indriani; Pujawati Suryatmana; Nenny Nurlaeny
Journal of Degraded and Mining Lands Management Vol 5, No 3 (2018)
Publisher : Brawijaya University

Gold mine tailing in Buru island, Maluku Province, Indonesia contains high level of mercury but low in carbon and plant nutrients. Revegetation in such condition needs certain soil treatment which is suitable for plant growth. The objective of pot trials was to study the effect of indigenous Plant Growth Promoting Rhizobacteria Azotobacter and organic matter on bacterial survival as well as growth of groundnut grown in mine tailing. The experimental design was a Split Plot Design which tested three types of Azotobacter liquid inoculant and three soil total organic carbon (TOC) contents. Results showed that Azotobacter inoculation increased Azotobacter population in tailing at the end of vegetative growth of groundnut. Total nitrogen content in soil decreased when TOC level increased. However, nitrogen uptake and growth of groundnut did not change after Azotobacter inoculation or manure amendment. These experiments provided information that Azotobacter inoculation on groundnut maintain its proliferation in Hg-contaminated mine tailing.

Effect of organic fertilizer and its residual on cowpea and soybean in acid soils Henny Kuntyastuty; Siti Muzaiyanah
Journal of Degraded and Mining Lands Management Vol 5, No 1 (2017)
Publisher : Brawijaya University

The expansion of planting areas on acid soils is one of the strategies to achieve Indonesian self-sufficiency program on food. Acidic soil has low pH that causes contents of Al, Fe, and Mn are high. In addition, acidic soil also only has low microbial population. These conditions make soybean growth is not optimal. This research consisted of two phases i.e., the first and second planting. The first planting was aimed to study the effectiveness of fertilizer treatment, with three replications, using cowpea commodity. The second planting was done without additional fertilizer that consisted of three replicates (continued from the first planting) using soybean. This research that was carried out at Iletri’s greenhouse Malang in 2014 was arranged in a randomized block design consisting of eight treatments, namely: (a) control/without fertilizer; (B) 300 kg/ha (15% N, 15% P2O5, 15% K2O, 10% S); (C) 1500 kg/ha cow manure; (D) 3000 kg/ha cow manure; (E) 5000 kg/ha cow manure; (F) 1500 kg/ha fermented chicken + cow manures; (G) 3000 kg/ha fermented chicken + cow manures; and (H) 5000 kg/ha fermented chicken + cow manures. The results showed that organic fertilizer (cow manure) 5000 kg/ha had higher yields both in the first planting and second planting compared to inorganic fertilizer 300 kg/ha (15% N, 15% P2O5, 15% K2O, 10% S)

Utilization of locally available organic matter to improve chemical properties of pyroclastic materials from Mt. Kelud of East Java S R Utami; C Agustina; K S Wicaksono; B D Prasojo; H Hanifa
Journal of Degraded and Mining Lands Management Vol 4, No 2 (2017)
Publisher : Brawijaya University

Pandansari village, Ngantang District was severely affected by Mt. Kelud eruption in 2014. Almost all soil surfaces were covered by the eruption product, leading to serious problems for cultivation. Pyroclastic materials potentially have high content of nutrients, but they are not readily available to plants. As an attempt to improve chemical properties of the pyroclastic materials, we applied locally available organic matters, from four different sources, i.e. leaves of sweet potatoes, Tithonia diversifolia, maize, and cow manure. The pyroclastic materials were sieved at 2 mm, placed inside pots (50 x 50 x 50 cm3), until it reached 30 cm thick. The fresh leaves were chopped into 2 mm size and mixed with the pyroclastic materials at the dosage of 15 Mg/ha. They were incubated and kept at field condition. Selected chemical properties (pH, CEC, sum of basic cations, and the total contents of N, organic C, and available P) were measured before and after 90 days incubation. The results showed that after 90 days, organic matter application significantly increased pH, cation exchange capacity, organic C, and total exchangeable basic cations content. The increases of P-available and total N contents were only detected on cow manure treated materials.

Planning of banana plant development based on the land conservation aspect in Jenawi District Indri Hapsari Pusponegoro; M Mujiyo; S Suntoro; Aktavia Herawati; Hery Widijanto
Journal of Degraded and Mining Lands Management Vol 5, No 4 (2018)
Publisher : Brawijaya University

Banana is one type of fruits that is very potential to grow to support food security because it contains source of vitamins, minerals, and carbohydrates. Jenawi District has a dry land area that is potential for the development of banana plants. The purpose of this research was to plan the development of banana plants in accordance with the land conservation aspect against the threat of the erosion. The research was conducted by making land unit map, field survey, analysis of soil sample in the laboratory, and data analysis of erosion hazard level. Land unit mapping was made by overlay method so there were 12 units of land with the same land conditions. Field survey and sample analysis at the observation point was conducted to obtain the parameters: slope gradient, depth of solum, surface unity, slope length, bulk density, soil texture, soil c-organic, and soil permeability. The analysis of land conservation aspects for banana plants was determined from the level of erosion hazard with the USLE (Universal Soil Loss Equation) method. The results showed that the threat of moderate to severe erosion hazard for banana crops was overcome by the efforts of land conservation techniques using a good construction bench terrace. The threat of erosion hazard after land conservation directives is very low to low. The amount of the erosion prediction for banana plant planning in garden is 35.80 t/ha/yr (unit B unit), land use of dry fields is 29.82 t/ha/yr (land unit I), 31.54 t/ha/yr (land unit K), and 13.72 t/ha/yr (unit land L).

Analyzing the environmental impacts and potential health challenges resulting from artisanal gold mining in Shango area of Minna, North-Central, Nigeria Adegbe Mamodu; Ile Theophilus Ojonimi; Simon Samchi Apollos; Orji-Chukwuma N Jacinta; Waziri H Salome; Abubakar Abduljalilu Enesi
Journal of Degraded and Mining Lands Management Vol 5, No 2 (2018)
Publisher : Brawijaya University

The environmental impact and potential health challenges resulting from artisanal mining in Shango area of Minna, North Central Nigeria was put into perspective. The methodology adopted for the research includes field work and laboratory analysis. Results of field observation reveal that mining activity resulted in physical environmental impact such as land degradation, destruction of vegetation, erosion of soils and degrading water quality. Results from the laboratory analyses show that soils are contaminated with elements such as Cu (27.7ppm), Cd (0.6 ppm), Hg (0.62 ppm) and Ag (0.35 ppm) and generally show high status when compared to published standard for upper continental crust. While, Zn (14.8ppm), Ni (7.17ppm), Mn (207ppm), Pb (0.58ppm), As (0.4ppm), Co (0.55ppm), Mo (0.16ppm), and Zr (129.8ppm) are rated low in line with the published standard; other determined elements such as Cr (37.8ppm), Fe (31.1ppm) and Au (0.2ppm) are high. These elements can easily be absorbed by plants and subsequently accumulate in their tissues. When such plants are eventually eaten by man, it may lead to different health problems such as slow growth rate, liver and kidney problem. High concentration of these elements in plant tissues may causes different problems.

The influence of various fertilizing methods on two new superior varieties of rice (Oryza sativa L.) in monsoon agroecosystem of Sulawesi Muh. Afif Juradi; Titik Islami; Setyono Yudo Tyasmoro
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

A research on the adaptation test of new superior varieties of rice and fertilization methods in monsoon agroecosystem in Sulawesi has been conducted in Baramamase Village, Walenrang subdistrict, Luwu Regency, South Sulawesi from February to, May 2016. The research location is located at an altitude of 13 m above sea level. The research aimed to find out the combination of treatments of new superior varieties of rice and location-specific fertilization methods to be developed. The experiment used completely randomized block design with four repetitions. The treatments use two varieties of rice consist of Ciherang and Inpari 30 each with fertilization methods of PUTS, Katam, Laboratory test and farmer pattern (as a comparison). Research result showed that treatment combination of Ciherang variety + fertilization method (PUTS, KATAM and laboratory test) increased the yield of harvested dry rice grain (PUTS of 171%, KATAM of 108%, and laboratory test 137%) compare to those of farmer pattern of 58%. Treatment of Inpari30 variety + fertilization method using PUTS, KATAM and laboratory test increased harvested dry grain yield of 85%, 72% and 100%, respectively, compare to those of farmer pattern of 46%. Ciherang variety is a superior rice variety and adaptive to specific environment thus it could be developed in the area of Luwu Regency, South Sulawesi.

Exploration and characterization of exopolysaccharide-producing bacteria from soil in West Kalimantan for improving sandy soil aggregation Nasrul Harahap; Dwi Andreas Santosa; Nuni Gofar
Journal of Degraded and Mining Lands Management Vol 5, No 4 (2018)
Publisher : Brawijaya University

Exopolysaccharide (EPS) is a complex mix of macro-molecular electrolyte contained in the outer cells of bacteria excreted as mucus and has a role in soil aggregation. This study aims to obtain bacteria that have a high potential for exopolysaccharide-producing bacteria. A total of 112 isolates of exopolysaccharide-producing bacteria were isolated from rubber soil rhizosphere, secondary forest, and shrubs in PT. Hutan Ketapang Industri is the result of isolation on ATCC no.14 medium. Based on the observations of a morphological colony of these isolates, most of them similarities of color and shape but only 25 colonies are different isolates were obtained based on colony morphology. However, only 10 isolates formed a thick mucus or slimy when cultured on MacConcey agar. the results show that obtained three isolates of exopolysaccharide-producing bacteria have a higher value of the dry weight i.e. isolates RB292 (7.53 mg/mL) followed by RB51 (7.55 mg/mL), and RB241 (1.75 mg/mL) with 2% sucrose. Isolates RB51 and RB292 increasing significantly soil aggregate stability at 2% dosage of organic matter with soil aggregate stability index from 30.61% to 47.87% and 45.79%. Homology of the isolates with known bacteria i.e. isolate RB51 was 98.86% homolog with Klebsiella sp. LW-13, isolate RB241 was 98.65% homolog with Klebsiella pneumonia strain DSM 30104 and isolate RB292 was 98.83% homolog with Burkholderia anthina strain MYSP113

Rural communities’ vulnerability to farmland poverty in varied ecological settings of northwest Ethiopia Menberu Teshome
Journal of Degraded and Mining Lands Management Vol 5, No 2 (2018)
Publisher : Brawijaya University

Environmental and climate changes are among the serious threats to the world’s land resources in the 21st Century. Particularly, in the developing countries the impact inevitably goes as the continuing toll on agricultural production, human lives, and properties. It is also a driving force of poverty and impediment of overall economic development in many less developed nations, like Ethiopia. Therefore, this paper assesses the rural communities’ vulnerability to farmland poverty in different ecological settings of northwest Ethiopia. Data were collected from 525 randomly selected farming households using questionnaire. Meteorological data were collected from Global Weather Data for soil and water assessment tool (SWAT) from 1979 to 2010. Rainfall and temperature trends were characterized using simple linear regression model. Rural communities’ vulnerability to farmland poverty was determined using livelihood vulnerability index (LVI). Indices were constructed using simple and weighted average approaches to measure farmlands’ exposure, sensitivity and adaptive capacity. Overall communities’ levels of vulnerability to farmlands poverty were found to be 0.76 in the lowland, 0.57 in the flat highland and 0.51 in the midland areas. In almost all indicators the lowland (Abay Valley) is more vulnerable to farmland-related troubles as the biophysical and socio-economic contexts were found to be the worst there. Communities and government and non-government officials have observed significant negative impacts of drought and extreme weather events on farmlands, pasturelands with declining availability, productivity and quality of farmlands. This study suggests education and research interventions for enhancing community-based participatory integrated watershed management approach supported with best indigenous knowledge and farmers’ practices. Adaptation interventions should also consider local communities’ resource capacity (low-cost investment in sound farmland and soil management techniques).

Socio economic impacts and policy of artisanal small-scale gold mining in relation to sustainable agriculture: a case study at Sekotong of West Lombok S Suhartini; A Abubakar
Journal of Degraded and Mining Lands Management Vol 4, No 3 (2017)
Publisher : Brawijaya University

Artisanal and small scale gold mining (ASGM) activities at Sekotong Sub District, West Lombok District, West Nusa Tenggara which use a traditional system have been operating since 2008. The objectives of this study were to analyze the socio-economic impacts of ASGM, to know the policy on ASGM in West Lombok Regency, and to formulate the policy recommendations of sustainable agricultural management which consider the ASGM activities. This study was conducted at Batu Putih and Pelangan villages of the Sekotong sub District which was chosen purposively. The research method was a case study with survey by interviewing 30 farmers with miners that were selected by a simple random sampling and field observation. A policy study was also used by interviewing key informants from many stakeholders. The results showed that ASGM activities at Sekotong improved the income of farmers/miners and created job opportunities. From the average, the ASGM mining contributed 76.01 % of farmers/miners income, while the farming incomes was 23.99 % of total income. In 2011, West Lombok local government issued a regional regulation through a decree number 1102A/480A/Distamben/2011 about The Determination of the Artisanal Mining Area. But, after the Law of Republic Indonesia Number 23/2014 on Regional Government, the authority to give the artisanal mining permit is the Provincial Government. In terms of economics, the ASGM activities supported the agricultural sustainability. However, the environmental impact of it activities needs to be addressed with technologies which are economically viable and environtmentally sound such as phytoremediation

The prediction of heavy metals lead (Pb) and zinc (Zn) contents in soil using NIRs technology and PLSR regression method H Husnizar; Wahyu Wilopo; Ahmad Tawfiequrrahman Yuliansyah
Journal of Degraded and Mining Lands Management Vol 5, No 3 (2018)
Publisher : Brawijaya University

The case of soil contamination by heavy metals in environment shows an increasing amount along with the constructions and development period that has been done. The identification of heavy metal content in the field is extremely hard to be done without a laboratory activity. Therefore, it needs a quick and non-destructive approach or method to identify the metal content of the soil in the field. The application of Near Infrared Reflectance Spectroscopy (NIRs) technology is a method that non-destructively able to detect the heavy metal content in the soil by using Partial Least Square Regression (PLSR). Pretreatment spectrum which is done using the Multiplicative Scatter Correction (MSC) can improve the results of the prediction models of PLSR. The results of MSC pretreatment spectrum can repair and improve the accuracy of the predictions of Lead (Pb) and Zinc (Zn) in the soil. Eight samples were used for analysis of each of Pb and Zn content. The measured data were pre-treated by MSC. It was obtained that value of r = 0.98, R2 = 0.97 and RPD = 6.46 for the Pb content measurement. Meanwhile, the measurement for Zn obtained the value of r = 0.98, R2 = 0.97 and RPD = 6.28. Therefore, it can be inferred that the NIRs is one of technologies which is worth reckoned as the right and quick means to predict the content of heavy metals in soil in a non-destructively and environmentally friendly way.

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Eko Handayanto

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