• Title/Summary/Keyword: mulching materials

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Effect of Mulching Material on the Growth and Quality of Oriental Melon (Cucumis melo L. var. makuwa Mak.) in Protected Cultivation (멀칭재료가 시설참외의 생육과 품질에 미치는 영향)

  • Su Gon Bae;Yong Seub Shin;Il Kweon Yeon;Han Woo Do
    • Journal of Bio-Environment Control
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    • v.10 no.4
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    • pp.237-243
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    • 2001
  • The experiment was conducted to investigate the effect of different mulching materials on the growth and quality of oriental melon in protected cultivation. Soil temperature, plant growth and fruit quality were affected by different mulching materials, clear polyethylene (P.E.) film (control), clear inset between black P.E. film, green P.E. film. and recycled ethylene vinyl acetate (E.V.A.) film. The highest night soil temperature was at 20 cm depth under green P.E. film, but was at 5 cm depth under other materials. Difference of soil temperature as affected by mulching materials decreased with increasing soil depth. Plant height, number of nodes, leaf area index (LAI), crop growth rate (CGR), and relative growth rate (RGR) at 30 days after transplanting were significantly greater in the recycled E.V.A. film treatment than in the other treatments. Fresh weight of weeds growth under the mulching materials was not affected by mulching material at 30 days after transplanting. However, it was the greatest under clear P.E. film mulching at 90 days after transplanting. Harvesting time of recycled E.V.A. film was 2 days earlier than that of clear P.E. film. Difference in fruit weight and length, and soluble solid content were not affected by the mulching materials. Marketable yield was 2,426 kg.10a$^{-1}$ in recycled E.V.A. film treatment, which was 6% greater than in clear P.E. film treatment.

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Characteristics of Growth and Yield by Planting Density and Mulching Materials in Salvia miltiorrhiza Bunge (단삼의 재식밀도와 피복재료에 따른 생육 및 수량특성)

  • Kim, Young Guk;Yeo, Jun Hwan;Han, Sin Hee;Hur, Mok;Lee, Young Seob;Park, Chung Berm
    • Korean Journal of Medicinal Crop Science
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    • v.21 no.3
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    • pp.179-183
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    • 2013
  • This study was carried out to investigate the variation of growth and yield using different planting densities and vinyl mulching in S. miltiorrhiza cultivation. Top plant growth was observed in the $30{\times}30cm$ planting density of S. miltiorrhiza;, plant height, leaves and branches were larger than in the other treatments. Root length, root diameter, and supporting roots of underground part were increased as planting density was wide, and dry root weight was increased in $30{\times}30cm$. However, yield was highest at 294 kg/10a in the planting density of $30{\times}10cm$. The use of 30-31cm white and black vinyl mulching had no significant effect on the plant height of S. miltiorrhiza, as compared to non-mulching. However, the highest volume of leaves and plant weight was observed in plants using 24.7 black vinyl mulching. Dry underground root weight was highest in black vinyl mulching at 21.7 g compared to 17.0 g for non-mulching. Yield per 10a increased by 28% using black vinyl mulching compared to non-mulching. Based on the results of this study, planting density of $30{\times}10cm$ and black vinyl mulching are the most suitable in the cultivation of S. miltiorrhiza.

Effects of Mulching Materials on Platycodon grandiflorum Root Growth and Weed Occurrence (피복재료에 따른 도라지의 생육 및 잡초발생)

  • Jeon, Seung-Ho;Rho, Il-Rae;Kim, Young-Guk;Cho, Young-Son
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.62 no.1
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    • pp.73-78
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    • 2017
  • This study was conducted to elucidate the effects of mulching materials on root growth characteristics and weed occurrence of Platycodon grandiflorum transplants (3 years old) in organic farming. After transplanting, roots were mulched with one of three mulching materials (biodegradable film, sawdust, or rice husks) or a control (no mulching). The average root diameter of all mulching groups was 28.1 mm, which was 5.1 mm thicker than the no-mulching treatment. Roots with the biodegradable film treatment were the thickest at 30.9 mm. Root length was the shortest, 22.0 cm, with rice husk mulching. The number of rootlets was the highest with film mulching (36.0 rootlets/root) and the lowest with no mulching. For root fresh weight, which directly affects yield, the average of treated and untreated roots was 100 and 56 g/root, respectively. The highest fresh weight was in the biodegradable film plot (130 g/root). The mulching treatment groups showed a weed inhibition effect compared with the no-mulching treatment. The dominant weeds with the no-mulching treatment were Setaria viridis and Digitaria ciliaris, and that with the mulching treatment was Setaria viridis. Average annual weed occurrence across all treatments was 72%. Weed occurrence was the highest with the no-mulching treatment ($125weeds/m^2$), and there were no weeds with the biodegradable film treatment.

Development of Soil Surface Hardening Mulching System by Using Paper Mill Sludge Ash (제지슬러지 소각재를 활용한 토양 표면 경화형 멀칭소재 개발)

  • Kim, Dong Sung;Sung, Yong Joo;Cho, Heung-Yeol
    • Journal of Korea Technical Association of The Pulp and Paper Industry
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    • v.46 no.4
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    • pp.85-92
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    • 2014
  • The disposal of the paper mill sludge and the paper mill sludge ash become more important issue, because the environment regulation becomes more strict. In this study, the new mulching system was developed by using the paper sludge ash. The soil surface hardening mechanism for mulching with paper sludge ash, red clay and coal ash was evaluated. Since the CaO in the paper sludge ash provided the harden structure with water, the surface hardening mulching structure could cover the field surface and prevent the germination of weeds. More than 50 w.t.% of red clay and 10 w.t.% of paper sludge ash were required to create the solid soil surface structure for mulching. The field test with the new soil surface hardening mulching system for three months showed the generation of weeds could successfully be inhibited by the system.

Effect of Mulch Application using Different Organic Materials on Growth of Young Jujube Trees and Weed Suppression (유기멀칭재료 처리에 따른 대추 유목의 생육과 잡초억제에 미치는 영향)

  • Lee, Gyeong-Ja;Kang, Bo-Goo;Kim, Ki-Sik;Kim, Chung-Woo
    • Korean Journal of Organic Agriculture
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    • v.23 no.1
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    • pp.67-75
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    • 2015
  • This study was carried out to elucidate the effects of organic mulching materials on the weed inhibition and the growth of young jujube (Zizyphus jujuba Miller) trees from 2012 to 2013. Four organic mulching materials (rice straw, rice hull, sawdust and wood chip) were treated on jujube tree field in 2012. The range of weed control values was 96~98% in 2012. In 2013, the weed control values of rice straw, rice hull, sawdust and wood chip mulching were 7%, 60%, 27%, and 79%, respectively. The growth of young jujube trees was highest in wood chip mulching, whereas that in rice hull mulching was lowest. These results suggest that wood chip can be useful as a mulching material for weed control in jujube orchards.

Study on Leaf Production of Angelica acutiloba by Mulching with Polyethylene Film

  • Choi, Seong-Kyu;Yun, Kyeong-Won;Chon, Sang-Uk;Seo, Young-Nam;Seo, Kyoung-sun;Kwon, Byung-Sun
    • Plant Resources
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    • v.6 no.3
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    • pp.211-214
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    • 2003
  • This study was conducted to produce effectively more leaves of Angelica acutiloba through year-round production system by using various mulching materials and polyethylene(PE) tunnel. Soil temperature by covering treatment was higher in PE mulching and PE tunnel than in rice straw mulching, especially showing the highest temperature in PE tunnel from April through May. Water content of soil was higher in PE mulching than in non-mulching. Leaf production of Angelica acutiloba through year-round production showed the highest in PE tunnel and root production in PE mulching. These results suggest that leaf production of Angelica acutiloba can be maximized through PE tunnel cultivation system.

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Effects of Soil Acidity and Organic Matter by Application of Organic Materials and Soil Mulching with Pine Needles for Soil Surface Management in Blueberry Eco-Friendly Farming

  • Ahn, In;Kim, Sam-Hyun;Maeng, Woon-Young;Lee, In-Eae;Chang, Ki-Woon;Lee, Jong-Jin
    • Korean Journal of Soil Science and Fertilizer
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    • v.46 no.6
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    • pp.556-562
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    • 2013
  • The blueberry eco-friendly farming requires the soil condition of pH 4.2 ~ 5.2 and high in organic matters for stable growth. Most of soil types of blueberry-growing land in Korea, however, belongs to alkaline soils with low organic matter content. As a result, the eco-friendly blueberry growers use peat moss and sulfur powder heavily to improve the soil condition, but the guideline on the effective use of organic materials was not established yet. Therefore, this sturdy was performed to investigate the effect of increasing soil acidity and organic matters by using organic materials. Among 5 organic materials, the pH of soil was lowest in degradable sulfur + bentonite (pH 4.1) and followed by Peat moss+Chaff+Pine Needlesmixtures(pH 4.5), OrganicAcid +vinegar (pH 4.7), Sulfur powder (pH 4.8), Temperature response Elutioner (pH 5.2). The soil organic matter content were increased in the following order: Peat moss+Chaff+Pine Needlesmixtures (8.4%) > degradable sulfur + bentonite (7.8%) > Organic Acid + vinegar (7.2%) > Sulfur powder ${\fallingdotseq}$ Temperature response Elutioner (6.3%). Although different in the degree, all organic materials treated was recognized a good material for improving soil pH and organic matter content. The plant height and stem diameter of blueberry were no clear difference among 5 organic materials. Another study was carried out to investigate amending soils with organic matter by soil mulching with pine needles for soil surface management in blueberry organic cultivation. The effect of increasing the soil pH by pine needle mulching in blueberry eco-friendly farming was recognized in four test fields. Pine needle mulching for soil surface management in blueberry appeared several advantages, such as improving of soil pH and organic matter content. Therefore, pineneedle mulching in blueberry organic farming is considered as the most efficient means of mulching cultivation for amending soil pH, weed suppression and moisture conservation among mulching materials.

Effect of Mulching Materials on Growth and Flowering of Oriental Hybrids Lilies in Alpine Area (피복재료가 고랭지 재배 Oriental 백합의 생장과 개화에 미치는 영향)

  • Hong, Sae Jin;Kim, Hak Ki;Park, Se Won
    • Horticultural Science & Technology
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    • v.19 no.4
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    • pp.585-590
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    • 2001
  • Bulbs of Lilium Oriental hybrids cv. 'Casablanca' and 'Marco Polo' were grown in a plastic house in alpine area of Pyongchang Kangwondo. Saw-dust, black film, reflective film, transparent film, and white/black double film were used as mulching materials to ascertain the growth of foliage, the quality of flower, and the size of bulbs. Foliage weights of both lilies were higher when lilies were grown with mulching materials than control. There were no differences of bulb weight among the control and mulching treatments, except delayed bulb growth in black film and white/black double film. Mulching cultivation with saw-dust and reflective film stimulated foliage growth, root growth and bulb production, but black film delayed the growth and development. Transparent and white/black double films showed no effects on foliage growth and bulb development than the control. As mulching materials tended to delay lily growth, including foliage and bulb, an extension of growing term might be better to produce high quality lilies than common cultivation in alpine area.

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Effects of Reflecting Film Mulching on the Fruit Quality of Satsuma Mandarin(Citrus Unshiu Marc.) in the Plastic House. (하우스 밀감의 품질에 미치는 반사필름 멀칭 효과)

  • 문덕영;금용호
    • Journal of Bio-Environment Control
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    • v.7 no.3
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    • pp.259-267
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    • 1998
  • This study was carried out to investigate the effect of mulching materials on the fruit quality of Miyagawa Early Satsuma Mandarin in the plastic house. The mulching time was 10 days after water irrigation breakage. The mulching materials used, in order of decreasing light reflectivity, were; micro-perforated vinyl sheets, non-woven fabric film, porous black P.E. film and non-mulching(control). Peel coloration by a values in the treatment of the micro-perforated vinyl sheets showed a 6.93 increase over the control group. The a/b values were similar to this trend, but there were no significant difference among the mulching treatment groups. The glucose level of fruit juice was much higher in the mulching treatment groups as compared with that of the control group, but there was no significant difference among the mulching treatments. Fructose content in the treatment of the micro-perforated vinyl sheets a 0.31mg%.m $L^{-1}$ increase over the control group. This group also showed a 1.36%.m $L^{-1}$ increase in sucrose and a similar increase trend in total sugar. The Brix value was 0.9 $^{\circ}$Brix higher in the micro-perforated vinyl sheet group(12.4 $^{\circ}$Brix) than in the control group(11.5 $^{\circ}$Brix) which result in a significant increase with micro-perforated vinyl sheet usage. However, the acidity level did not differ significantly among mulching treatments.

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Growth and Fruit Characteristics of Highbush Blueberry by Mulching Materials (멀칭 자재가 하이부쉬블루베리 생육 및 과실 특성에 미치는 영향)

  • Kim, Su-Jin;Lee, Dong-Hoon;Hur, Youn-Young;Im, Dong-Jun;Park, Seo-Jun;Jung, Sung-Min;Chung, Kyeong-Ho
    • Korean Journal of Organic Agriculture
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    • v.28 no.2
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    • pp.209-221
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    • 2020
  • Highbush blueberries (Vaccinium corymbosum), 'Duke', 'Bluecrop', and 'Elliott', were applied with ground cover mulch systems to evaluate bush growth and fruit characteristics. Soil temperature variation was lower in the woodchip mulching plot. Therefore, CEC, soil pH, phosphate, mineral ions were not significantly different among mulching materials. The number of main stem was higher in woodchip > sawdust > rice husk > plastic film mulching plot, respectively. Total shoot number was also higher in organic mulching plots than in plastic film plot. However, total shoot number was not significantly different among the organic mulching plots. Fruit weight was the highest in the woodchip mulching plot of all blueberry cultivars, however, soluble sugar content, organic acidity, fruit firmness were not significantly different in mulching materials. Yield was higher in organic mulching plots than in plastic film plot in all blueberry cultivars. Especially, yield per shrub of woodchip plots was the highest about 3.6 kg in 'Duke', 2.7 kg in 'Bluecrop', and 2.6 kg in 'Elliott'. Furthermore, correlation of main stem number and yield was highly significant (r2 = 0.8413). Therefore, woodchip mulching is expected to be an eco-friendly method to increase the number of stems and the yield of blueberries.