• Journal of the Korean Society of Environmental Restoration Technology
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• v.8 no.3
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• pp.1-12
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• 2005

A study on ecological restoration of landfill slope was conducted in Nanjido to compare immediate and long time effect and supply continuous back data for ecological restoration of landfill slope. As a result, all region constructed by SF and CODRA was effective on improving soil environment and preventing slope erosion. In case of former, by adapting flowers the initial scenery was beautifully built however there was tendency that as time passes the introduced plants were being overtaken by native plants thus it was necessary to select plants which are not being overtaken by native plants. In case of latter, by introducing leguminous plants the natural adaptation of plants were moving smoothly.

• Korean Journal of Plant Resources
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• v.28 no.5
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• pp.641-647
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• 2015

This study was conducted to select native ground cover plants for sod culture in an organic apple orchard by estimating the effect of three native ground cover plants, Glechoma hederacea, Thymus magnus, and Ixeris stolonifera, on the soil coverage, time-periodic weed occurrence, fruit characteristics, and soil chemical properties. The plant height of G. hederace, T. magnus and I. stolonifera were 15.0 ㎝, 13.4 ㎝ and 7.2 ㎝, respectively. The dry weight of G. hederace, T. magnus and I. stolonifera were 463 ㎏/10a, 247 ㎏/10a, and 255 ㎏/10a, respectively. The plant height and dry weight of G. hederacea were higher than in the other species. T. magnus and I. stolonifera having relatively lower soil cover rate during their life cycle produced a lot of weeds in the orchard as compared with the control. In contrast, G. hederacea showed 100 percentage of ground cover in the first year, and maintained high percentage of ground cover in the growing season of ‘Tsugaru’ apple for another 2 years. When the soil was covered with G. hederacea in the orchard for 3 years, the amount of weed was only 114 ㎏/10a and number of weeding was also reduced about 33% compared with control as well as the other species. There were no differences in the tree growth and fruit characteristics between the native ground cover plants and the control; however, positive effects of native ground cover plants on soil chemical properties were found. In G. hederacea, available P₂O₄content in soils remarkably increased and was a significant difference among native species. In addition, cation (Ca, Mg and K) content in soils increased by 39% in Ca, 6% in Mg, and 11% in K at G. hederacea compared with control. These results suggest that G. hederacea could be advantageous in terms of reducing the amount of herbicide applied and the labor required for weed control, and controlling soil chemical properties; therefore, it is a good candidate for sod culture in an organic apple orchard.

• Journal of the Korean Society of Environmental Restoration Technology
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• v.8 no.4
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• pp.81-90
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• 2005

This study aimed to address problems and suggest solutions in applying seed mixture design criterior of the slope revegetation works according to "The guidelines of Slope revegetation design and construction" proposed by the Ministry of Construction and Transportation. To do this, the planting thickness was set to be the same 2cm while the composition of seeds was made different, which was planted in artificial slopes and fields. The main results were summarized as follows. In the test, when applying the provisional standards of the plant mixtures proposed by the Ministry of Construction and Transportation, tree seeds and native plants were found poor coverage effect in the early stage in all test plots due to introduced grasses. This was because introduced winter grasses which grew well in the early stage, could grow densely, so it might hamper the growth of other plants. Therefore, it was found desirable that standards for seed mixing should be adjusted down by 10% and the ratio of introduced grasses in the mixture should be lowered to 25% while native plants should increase to 20-25%.

• Journal of the Korean Society of Environmental Restoration Technology
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• v.2 no.3
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• pp.25-31
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• 1999

The differences in seed germination rates of Korean Native Plants were observed depending on the harvest years, the seed companies, the storage periods, the drying methods and the plant morphological types. The seed germination rates were changed significantly by the harvest years and the seed companies in all 4 species tested. The seed germination rates were decreased after 1 year storage at $4^{\circ}C$ in all 8 species tested and three of them did not germinate at all. A rapid drying method at $35^{\circ}C$ with a convection oven was not suitable for Chrysanthemum spp., but there were no significant changes of germination rates in Aster spp. The germination rates were decreased more at seeding in soil than at lab. test with Dicotyledon but no significant changes with Monocotyledon. Especially, the germination rates of fine seed on 5mm soil covering treatment were significantly decreased.

• Journal of the Korean Society of Environmental Restoration Technology
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• v.16 no.5
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• pp.119-130
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• 2013

The objective of this study was to analyze an availability of green roof soil based on the bottom ash soil and compost using sludge derived from food factory as comparing and analysing the growth of native plants. Analysing the physical properties and chemical resistance of 12 different type mixing soils which is mainly used in green roof, selected 4 types of soil, experiments were conducted to compare plant growth. The growth status of the plant showed the most superior of the soil 13(control), next soil 9(Pearlite : Bottom Ash : Compost = 20 : 60 : 20) and soil 10(Pearlite : Zeolite : Compost = 60 : 20 : 20) This result showed that native plants grow well in the soil based on the bottom ash and compost using sludge derived from food factory, and this soil type is determined that is available the green roof soil.

• Proceedings of the Plant Resources Society of Korea Conference
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• 2001.11a
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• pp.15-19
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• 2001

The wild Pyrus plants belong to the deciduous woody plants in Rosaceae family. Most are cultivated for fruit productions, but some for ornamental plants. There are 5 Pyrus species including Pyrus ussuriensis and 8 varieties cultivated in Korea. In Korea, these plants are populated near villages or on the hills, and they are easily propagated since their fruit are very Juicy and quite big In size. Plant breeding to get improved cultivars Is not difficult because the Pyrus plants are easy to cross breeding among its genus. Because not only this reason but there have been shown lots of variation in wild groups, the Pyrus plants inhabited In Korea are excellent deciduous woody plants and favorable fruit trees to develop ornamental plants. It is necessary to develop many kinds of fruit trees and ornamental trees containing genetically different character, so that it will be satisfied for many different people's taste and demands Collecting lots of wild plant resource with diverse genes is necessary for plant breeding.

• Landscaping Tree
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• v.58 no.9_10
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• pp.32-36
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• 2000

• Landscaping Tree
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• v.59 no.11_12
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• pp.30-33
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• 2000

• The Science & Technology
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• v.4 no.4 s.16
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• pp.25-38
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• 1971

• Proceedings of the Korea Society of Environmental Toocicology Conference
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• 2002.10a
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• pp.137-149
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• 2002