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Journal of Degraded and Mining Lands Management

jdmlm
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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

Arjuna Subject : -

Articles 7 Documents

Search results for , issue "Vol 4, No 1 (2016)" : 7 Documents clear

Soil characteristics pattern with the depth as affected by forest conversion to rubber plantation C Agustina; S R Utami; S Sudarto
Journal of Degraded and Mining Lands Management Vol 4, No 1 (2016)
Publisher : Brawijaya University

This research was an attempt to study the impact of forest conversion to intensive rubber plantation on soil characteristics. We selected three landuses (forest, jungle rubber, and rubber plantation) in Bukit Duabelas and Harapan landscape, Jambi, and each repeated three times. Soil profiles were described and sampled at every 10 cm layer to 200 cm depth. Soil bulk density, pH, exchangeable basic cations content, and CEC were determined. The result showed that in three landuses, bulk density is relatively low in the upper 20 cm, but increased with depth. Clay content was lower in forest than other landuses, and increased with depth in forest and jungle rubber. In rubber plantation however, fine clay was accumulated at 60-140 cm depth. The CEC pattern with depth was in accordance to the clay content. There was no significant difference in soil pH between all landuses. In rubber plantation, soil pH was commonly higher in the surface, which probably due to liming activities. Sum of bases decreased with depth and tended to be generally lower in rubber plantation.

Adaptability of some legume trees on quartz tailings of a former tin mining area in Bangka Island, Indonesia B H Narendra; P Pratiwi
Journal of Degraded and Mining Lands Management Vol 4, No 1 (2016)
Publisher : Brawijaya University

Tin mining activities in Bangka Island, besides their important role in contributing to state revenues, also caused damage to the environment, among others in the form of quartz tailings overlay. To rehabilitate this land, in addition to the necessary efforts to improve soil conditions, success is also determined by the selection of appropriate plant species. This study was aimed to determine the adaptability of some legume trees grown on the quartz tailings in land rehabilitation trials in the post tin mining areas of Bangka Island. The legume trees tested were Calliandra calothyrsus Meisn., Caesalpinia sappan L., Enterolobium cyclocarpum (Jacq.) Griseb., Gliricidia sepium (Jacq.) Walp., Delonix regia ( Hook.) Raf., and Cassia siamea Lamk. Treatments of growing media applied in the field were medium I (a mixture of 20% organic material, 20% top soil, 1% NPK fertilizer, 5% calcium, and 54% quartz tailings), media II (a mixture of 25%organic material, 25%top soil, 2% NPK fertilizer, 6% calcium, 42% quartz tailings), and media III (a mixture of 30% organic material, 30% top soil, 3% NPK fertilizer, 7% calcium, and 30% quartz tailings). The observation was done by measuring the height and diameter of the stem of the plants, as well as the viability of one year after planting. Analysis of the results of measurements of stem height and diameter showed their diversity. Enterolobium cyclocarpum had the largest dimensions, while the lowest was Caesalpinia sappan. At the age of one year in the field, Gliricida sepium and Enterolobium cyclocarpum showed the average ability of the high life of up to 100%, whereas Calliandra calothyrsus was totally death. In general, the types of legumes selected in this trial showed good adaptability, except for of Calliandra calothyrsus

Effect of inoculation and time of application of microbes on growth and yield of soybean (Glycine max (L.) Merrill) S Muslikah; S Sudiarso; L Setyobudi
Journal of Degraded and Mining Lands Management Vol 4, No 1 (2016)
Publisher : Brawijaya University

The application of inorganic fertilizers continuously can result in hardening of soil, narrowing of soil pores, thus the roots will have difficulty in penetrating soil. Biological properties of soil that decreases could lead to disruption of microorganism activity, so that the decomposition of organic matter of soil become obstructedand soil fertility decline. Therefore, it is advisable to use an alternative to application of microbes, i.e. Rhizobium and effective microorganisms 4 (EM4) that will enhance the availability of nutrients for plants. This study was aimed to determine the effect of inoculation and time of application of the microbes on the growth and yield of soybean. The experiment was conducted in the greenhouse located 500 m above sea level. The design used for the experiment was a completely randomized design with three replications. Observations of non-destructive and destructive data were analyzed by analysis of variance (F test) at 5% level and continued with LSD at 5% level. The results showed significant effect treatments applied on the growth and yield components. Treatment i6 (EM4 applied at 1 week after planting) was the best treatment, as shown by the increased number of pods by 95.94%, dry weight of pods by 38.25%, total dry matter, seed by 24.61%, and 68.40% weight of 100 seeds.

Soil organic matter status and penetration resistance at alley cropping system on degraded acid dryland R D Yustika; M Muchtar
Journal of Degraded and Mining Lands Management Vol 4, No 1 (2016)
Publisher : Brawijaya University

Soil has important functions, one of which acts as a growing medium for plants so the soil environment should be able to support the growth and development of the plants in taking water and nutrient needs. The purpose of this study was to elucidate the effect of alley cropping on improvement of soil organic C status, and its impact on soil penetration. Observations of soil organic C status were done in 2008, 2011, and 2014, while observations of soil bulk density, C/N ratio, and penetration were conducted in 2014. Soil penetration was measured using penetrologger. Alley cropping systems applied were Flemingia congesta, Leucaena glauca, and Gliricida sepium. The results showed that the presence of hedgerow trees in alley cropping systems could supply organic materials periodically and could increase the content of organic C. The results of measurements of soil penetration in the surface layer (0-5 cm) showed low penetration values. The penetration value increased with increasing soil depth with the highest penetration value was at the depth of 15 cm.

Application of perennial legume green manures to improve growth and yield of organic lowland rice M Winarni; P Yudono; D Indradewa; B H Sunarminto
Journal of Degraded and Mining Lands Management Vol 4, No 1 (2016)
Publisher : Brawijaya University

A pot experiment in green house was done to study the effect of the dosage and speciesof perennial legume green manures to the physiological traits, growth and yield of organic lowland rice (Oryza sativaL.), and to obtain the optimal dosage as well. The research was arranged in a factorial randomized block design consistedof two factors with three replications.The first factor was the species of perennial legume thatconsisted of threespecies: Turi (Sesbaniagrandiflora), Glirisidia (Gliricidiasepium), and Lamtoro (Leucaenaleucocephala) and cow manure as control treatment. The second factor was the dosage of green manure thatconsisted of four levels: 5, 10, 20 and 40 t/ha. The results showed that application ofperennial legumesinto the soil significantly improved the growth and yield of rice. The application of 20 t Glirisidia leaves/haproduced the highest grain yield, followed by 20 t Lamtoro leaves/ha and 20 t Turi leaves/ha. The optimal dosages of S. grandiflora, G. sepium and L. leucochepala leaves that could yield 58.03 g/hill (equivalent to14.51 t/ha), 53.67 g/hill (equivalent to 13.42 t/ha), and 49.67 g/hill (equivalent to 12.42 t/ha) were 28.05, 25.46 and 26.41 t/ha, respectively.

Spatial distribution of land susceptibility to degradation and recomendation for its improvement: a case study in the upper Solo Sub-Watershed T M Basuki; W W Wijaya; N Wahyuningrum
Journal of Degraded and Mining Lands Management Vol 4, No 1 (2016)
Publisher : Brawijaya University

Spatial distribution of land properties and its susceptibility to degradation is essential for watershed management planning. Therefore, a study was carried out to assess spatial distribution of land susceptibity to degradation and provide some recommendations for its improvement. The location of the study was in the upper Solo sub-watershed which majority located in Central Java Province. To classify degree of land susceptibility, a watershed typhology was applied. The typhology of watershed was based on land system and land cover type. Data of land cover and slope steepness were derived from sattelite images. Land system was obtained from Regional Physical Planning Programme for Transmigration (RePPProT). The results show that 36% of the study area is covered by highly susceptible and 55% moderate susceptible to degradation. The rest are classified as very high, low, and very low suceptible to degradation. Improvement of the degraded land can be achieved by applying land use planning which is suitable with its capability, in fact agricultural areas are found at land use capability classes VI and VII which have to use for production forest and limited production forest. In addition, conservation practices need to be applied, especially for agricultural land at Vst of land capability class.

Exploration of indigenous soil bacteria producing-exopolysaccharides for stabilizing of aggregates land potential as biofertilizer N Arfarita; N Hidayati; A Rosyidah; M Machfudz; T Higuchi
Journal of Degraded and Mining Lands Management Vol 4, No 1 (2016)
Publisher : Brawijaya University

Steady soil aggregationis important for agricultural land which is formed by the micro-aggregate to become a macro-aggregate. This formation is mediated by organic material and various kinds of macro-organisms such as fungi, worms, ants and insects. An organic agencyinvolved in soil aggregation stabilityis exopolysaccharide (EPS) derived from bacterial, fungal mycelium, and products synthesized by plants. However, the use of EPS producing microorganisms as a biofertilizer has not been reported. This study was aimedto explore indigenous EPS-producing bacteria to solidify soil aggregationpotential for biofertilizer. Bacterial strains were isolated from soilsofthree regions at Malang East-Java; two areas of green bean plantation in Kendal Payak and Jambe Gede, as well as forest land. Soil samplewas derived from forest had hasa total bacteria population of 9.3 x 1011 CFU/mL.While soil samples from area Kendal Payak and Jambe Gede had total bacteria population of 1.5 x 109 CFU/mL and 2.4 x 109 CFU/mL, respectively. We selected three bacteria that could potentially produce abundant slime, namely as SPE-2, SPE-10 and SPE-20. The three selected bacteria are potential for biofertilizer because oftheir abundant slime, no antagonism and no symtoms as pathogen.

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Home Page

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Abstract

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Abstract

Contact Name
Eko Handayanto

Contact Email
handayanto@ub.ac.id

Phone
-

Journal Mail Official
handayanto@ub.ac.id

Editorial Address
-

Location
Kota malang,

Jawa timur

INDONESIA