• 한국작물학회:학술대회논문집
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• 한국작물학회 2017년도 9th Asian Crop Science Association conference
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• pp.251-251
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• 2017

This study was performed to select the soil covering materials for winter safety of Cynanchum wilfordii Hemsley and to investigate the effect on the growth after overwinter. Soil covering materials such as vinyl, rice straw, lagging cover, vinyl+lagging cover, and non-covering were investigated how effect on overwintering rate, growth and yield of Cynanchum wilfordii Hemsley. In changes of soil temperature according to the soil covering materials, non-covering treatment was recorded the highest to $26.7^{\circ}C$, and lagging cover and rice straw showed little change of soil temperature with 9.2 and $9.3^{\circ}C$, respectively. Regrowth rates of early growth after overwinter were lowered in the order as rice straw > vinly+lagging cover > lagging cover > vinyl > non-covering. From the above-ground growth by soil covering materials, vine length showed similar growth in all treatments except vinyl covering and stem diameter exhibited the thicker pattern in vinyl and lagging cover, and there was no significant difference among treatments in number of branch. Flowering period is recorded July 30 in all treatments and ripening period is October 16. Yield of seed production is showed the best in vinyl+lagging cover with $25g/m^2$. Root weight and root length for subterranean growth showed no significant differences among all treatments. Yield is produced the highest in vinyl+lagging cover with 433kg/10a and the next to lagging cover with 431kg/10a. In comparison with incomes, lagging cover earned to 9,882 thousand won/10a, showed the effect on income enlargement to 21%, compare to that of the non-covering.

• 한국유기농업학회지
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• 제19권spc호
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• pp.234-237
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• 2011

This study was carried out to investigate the effect of soil covering materials such as rice bran, rice hull and saw dust on garlic growth through a field experiment in wintertime. Rice bran was the smallest in term of particle size, but it recorded the highest level of bulk density. The missing plant rate after winter season was relatively high, 59.3%, and that of soil covering materials stood at the low level of 10%. Other growth factors recorded the highest level during application of rice bran. In terms of chemical properties of soil-covering materials, rice bran recorded the highest level of 1.84, 2.34 and 0.16% in the content of N, P, and K, respectively. The subsoil temperature was higher by application of rice bran as compared to that of other materials which stood at the lowest temperature ($-9^{\circ}C$).

• 한국환경복원기술학회지
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• 제16권1호
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• pp.99-107
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• 2013

This study was conducted to evaluate the effect of soil covering depth and vegetation base materials on the competition between Pinus densiflora Siebold & Zucc. and Lespedeza cyrtobotrya Miq., which were grown in an abandoned coal mine land for three years after seeding, by comparing their growth and stem density. The study site was consisted of sub-plots with four different soil covering depths (0cm, 10cm, 20cm, and 30cm) and four different compounds of vegetation base materials (peat moss (control), soil conditioner+peat moss (S+P), erosion control material+peat moss (E+P), and soil conditioner+erosion control material+peat moss (S+E+P)). Results of this study showed opposite pattern between P. densiflora and L. cyrtobotrya with different soil covering depth and compounds of vegetation base materials in general. P. densiflora showed the highest growth and stem density in plots with 10cm and 0cm depths of soil covering, respectively, while the lowest was shown in plots with 20cm depth of soil covering. In contrast, L. cyrtobotrya showed the highest growth and stem density in plots with 20cm depth of soil covering, while the lowest was shown in plots with 0cm depth of soil covering. In case of vegetation base materials, P. densiflora showed the highest growth and stem density in control plots and plots treated with S+P, respectively, while the lowest was shown in plots with S+E+P treatment. On the other hand, L. cyrtobotrya showed the highest growth and stem density in plots treated with S+E+P, while the lowest was shown in control plots. These results suggested the competition between two plants as a major cause of opposite patterns, which is induced by the suppressed growth and stem density of P. densiflora by fast growing L. cyrtobotrya. Despite the suppression of L. cyrtobotrya on P. densiflora, L. cyrtobotrya can play a positive role in improving soil quality, and thus it would be more desirable for restoring abandoned coal mine land to manage the growth of L. cyrtobotrya periodically, rather than eliminate them.

• 한국환경복원기술학회지
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• 제15권6호
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• pp.61-67
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• 2012

This study was conducted to evaluate the effects of soil covering and vegetation base materials implementation on the growth of Lespedeza cyrtobotrya Miq. in abandoned coal mine land. We compared the biomass of L. cyrtobotrya at the study plots of four different soil covering depth (control, 10cm, 20cm, and 30cm) and four different compounds of vegetation base materials composed of soil conditioner (S), erosion control (E), and peat moss (P) (control, S+P, E+P, and S+E+P). The result showed that the biomass of L. cyrtobotrya was higher in the study plots implemented with soil covering than control plot, although the increase in biomass was not constant with soil covering depth. In case of the vegetation base materials treatments, the biomass was highest in S+E+P plot, and S+P and E+P plots showed higher biomass than control plot.

• 산업경영시스템학회지
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• 제46권spc호
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• pp.31-38
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• 2023

In this study, in order to develop a method to efficiently inject essential nutrients necessary for plant growth into wood chips, which are simply used as soil covering materials in the agriculture, landscaping and horticultural industries, the atmospheric pressure dipping method and the vacuum pressure impregnating method are used to improve the plant nutrients injectability and impregnation amount were comparatively analyzed. Nutrient ingredients and 8 major heavy metal contents of wood chips injected with nutrients were analyzed, and soil covering effects were examined by covering wood chips injected with nutrients on soil. Comparing the dipping method and the vacuum pressure impregnation method, it took about 48 hours or more to inject 1,500 g or more of the nutrient aqueous solution into 1 kg of wood chips in the dipping method, but the vacuum pressure impregnation method could be impregnated in about 5 minutes. Components of the impregnated nutrients were detected in proportion to the diluted concentration. As a result of covering the wood chips developed in this study on soil, they showed weakly acidic pH, and the heat insulation and moisturizing effects during the winter season were evaluated to be superior to those of uncovered soil. In the future, wood chips impregnated with nutrients are expected to contribute to the more efficient use of waste wood resources and the long-term supply of nutrients essential for plant growth, reducing excessive use of chemical fertilizers and reducing costs.

• 생물환경조절학회지
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• 제11권2호
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• pp.88-92
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• 2002

저온기에 통기성 간이 피복재의 피복방법에 의한 보온환경이 잎상추의 생육촉진에 미치는 영향을 구명하기 위하여 농PO계 필름하우스내에서 '파스라이도' 피복재를 이용하여 직접피복, 터널피복 및 직접+터널피복 처리구 하에서 10월 13일부터 10월 31일가지 18일간 청상추와 적상추를 재배하여 그 효과를 검토하였다. 평균기온, 지온, 엽온과 상대습도는 피복의 효과가 현저하여, 직접+터널, 직접피복, 터널피복 및 대조구의 순으로 높았으며, 광합성유효광량자속은 역순위였다. $CO_2$의 농도는 주간보다 야간에 현저히 증가하였는데, 직접피복에서 가장 높았으며, 다음은 직접+터널피복, 터널피복, 대조구의 순으로 높았으나 그 차이는 매우 낮았다. 청상추와 적상추의 초장, 엽수 및 엽면적 등은 직접+터널, 직접피복, 터널피복의 순으로 촉진되었으나 통계적인 유의차는 없었다.

• 한국환경복원기술학회지
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• 제12권3호
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• pp.106-115
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• 2009

Knowledge about how to stabilize soil structure is essential to conserve soil systems and maintain various biogeochemical processes through soil. In urban area, soil structural systems are degraded with inappropriate management and land use and become vulnerable to erosion. We analyzed the structural changes of surface soils with different land uses, i.e., forests, parks, roadside green area, riparian area, and farmlands (soybean fields), in the Anyang Stream Watershed in order to find the factors influencing the stability of soil structure and the implication for better management of surface soil. Soil organic matter contents of other land use soils were only 18~52% of that in forest soils. Soil organic matter increased the stability of soil aggregates in the order of soybean fields < roadsides < riparian < parks < forests and also reduced soil bulk density (increased porosity). The lowest stability of soybean field soils was attributed to the often disturbance like tillage and it was considered that higher stability of park soils comparing to other land use soils except forests was owing to the covering of soil surface with grass. These results suggest that supply of soil organic matter and protection of soil surface with covering materials are very important to increase porosity and stability of soil structure.

• 한국지하수토양환경학회지:지하수토양환경
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• 제26권6호
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• pp.27-35
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• 2021

This study examined the possibility of reutilization of soil reclaimed from contaminated sites after completing remediation. The current status of soil remediation methods in Korea was reviewed and physicochemical properties of soil before and after remediation processes were examined to access the recycling possibility of reclaimed soils based on Recycling Aggregate Quality Standard. The most commonly practiced soil remediation techniques are soil washing, land farming, and thermal desorption. These techniques tend to deteriorate various soil properties including electrical conductivity(EC), organic matter content(OM), available P₂O₅, and cation exchange capacity(CEC). Evaluation of the properties of soil retrieved after each remediation process indicated soil washing may yield the most suitable soil for use as a filling, covering, back-filling, road pavement, and blocking materials, In addition, the soils reclaimed from land farming and thermal desorption have potential utility as a filling, covering and road pavement materials.

• 임산에너지
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• 제21권1호
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• pp.32-40
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• 2002

본 연구는 공중취목시 환상박피 부위를 감싸는 재료(rootball medium) 및 rootball medium을 다시 둘러싸는 피붕재료가 영향하는 분재 소재의 발근 및 생장 반응을 탐구하고자 소사나무를 대상으로 비닐은실에서 수행되었다. 환상박피 상부 1cm 부위의 직경생장은 피봉재료로 황마테이프를 사용하였을 때 증가하였으며, 당년도 발생한 잎, 가지의 건중량은 rootball 재료로 peatmoss 와 perlite의 혼합 배양토(2:1, v/v)와 피봉재료로 황마테이프를 같이 사용하였을 때가 많았다. 길이 10cm 이하의 가지 발생 수와 그 가지에서 발생된 잎의 수는 rootball 재료로 배양토보다 수태를 사용하였을 때 많았다. 환상박피 부위의 발근 소요일은 황마테이프 사용에 의하여 단축되었고, 또한 황마테이프 사용은 박피 부위에서 세근 발생을 촉진시켰으며 발생 전체 뿌리 건중량을 증가시켰다. 반면에 수태사용은 배양토 사용시 보다 장근 발생수를 증가시켰다.

• 자원환경지질
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• 제53권3호
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• pp.287-296
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• 2020

광해방지사업은 광산 개발로 인해 국민건강 생활에 미치는 위해요인을 분석, 제거 및 예방을 통해 지속가능한 녹색생활권 보장 및 친환경적 광산개발을 도모를 목표로 수행되고 있다. 일제강점기 및 광산개발 활황기에 개발되어 전국에 산재된 광산은 아직도 복구되지 않은 상태로 방치되고 있으며, 이런 산재된 위험으로 부터 국민안전은 물러설수 없는 최우선의 가치가 되고 있다. 광해방지사업에서 국민안전과 밀접한 사업은 응급조치이며, 이중 가장 광범위하게 사용되고 있는 공법은 지반침하방지사업과 유사하게 충전공법이다. 위험한 광산 공동 및 터널이 산악에 위치한 경우, 기존 재료로 충전 공법이 불가능하거나, 불합리한 경우가 발생가능하며, 새로운 공법의 기술개발이 필요하다. 위험한 광산 채굴지가 인접한 등산로에서 국민의 소중한 인명피해가 발생하지 않도록 응급조치사업은 안전하고 효율적으로 시행되어야 한다. 이러한 현장여건에서 우레탄 폼 재료는 하나의 대안이 될수 있다. 본 연구는 우레탄 폼 재료의 해외 광업분야 적용사례를 살펴보고, 실규모 화재 실험을 통해 광해방지사업의 응급조치을 위한 우레탄폼 재료와 복토 심도에 적용성을 실험하였다. 실험결과를 통해 약 15cm의 복토(추천 20cm 이상)로 산림화재로부터 폼 재료의 기능유지에 적정하다는 결과를 얻었다.