• Title/Summary/Keyword: Soil application

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Effect of Swine Liquid Manure and Phosphorus Application on Chemical Properties and Microbial Population of Italian (제주화산회토지역에서 돈분액비와 인산시용이 이탈리안 라이그라스 재배 토양의 화학적 특성 및 미생물상에 미치는 영향)

  • 김문철;현해남;최대진;문봉춘;고용구;강태숙
    • Journal of The Korean Society of Grassland and Forage Science
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    • v.21 no.4
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    • pp.181-190
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    • 2001
  • This study was conducted to investigate the effect of swine liquid manure(SLM) and phosphorus fertilizer from September, 1998 to July, 1999 on the soil fertility on Italian ryegrass field, Cheju volcanic ash soil. pH(lst investigated), Mg (2nd investigated) and Cu content (2nd investigated) on soil grown by Italian ryegrass were significantly increased by an increase of fertilizer P(P

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Effect of Repeated Application of IBP on the Degradation of Pesticides in Flooded Soil (IBP의 반복처리(反復處理)가 담수토양중(湛水土壤中) 농약(農藥)의 분해(分解)에 미치는 영향(影響))

  • Song, Byeong-Hun;Jeong, Young-Ho;Park, Young-Sun
    • Korean Journal of Environmental Agriculture
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    • v.1 no.1
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    • pp.65-70
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    • 1982
  • This experiment was conducted to see the effect of repeated application of IBP granular formulation(17%, 0,0-diisopropyl-S-benzyl thiophosphate) on the biodegradation of IBP and diazinon〔0,0-diethyl 0-(2-isopropyl-4-methyl-5-pyrimidinyl) phosphorothioate〕 in silt loam soil with 2.1% organic matter under flooded condition. The persistence of IBP in the soil was shortened by increasing the frequencies of application of the chemical. Enhanced degradation ability in the soil caused by repeated application of IBP was prolonged about 53 days, while the ability did not influence diazinon persistence in the soil. The half-lives of IBP in sterilized soil autoclaved at $121^{\circ}C$ for 30 minutes were about 3 times longer than those in viable soil, suggesting that microbial process was a major factor for IBP degradation in the soil. The total colony number of soil microbes showed little difference between the soils with and without repeated application of IBP. A possible concern of specific soil microorganisms on the pesticide degradation in soil was discussed.

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Effect of Sulfur Application on Mulberry Growth and Chemical Composition of Soil and Leaf. (황시용이 뽕나무의 생육 및 토양과 뽕잎의 화학성에 미치는 영향)

  • 이원주;임수호
    • Journal of Sericultural and Entomological Science
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    • v.37 no.2
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    • pp.109-113
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    • 1995
  • Effects of sulfur application on mulberry growth and soil chemical properties were examined in mulberry trees grown in a green house. Mulberry graftages were planted in Wagner pots and sulfur was applied at the levels of 0, 30, 60, or 120 kg/10a. Mulberry stem growth increased by 3.2 cm at 30 kg/ha than at 0 kg/ha sulfur application. Stem growth, however, decreased by 3.7 cm with the application of sulfur higher than at 60 kg/10a. Soil pH changed by the application of sulfur. With the application of sulfur at 120 kg/10a, soil pH decreased by 3.0. Temporal changes in the effective from sulfur content in soil indicated that sulfur dissolved between 4 to 10 days after application in the soil. Content of moisture and chemical components in mulberry leaves was also affected by the application levels of sulfur. Moisture, total-N, No3-N, K, and S content decreased, but F and Ca content increased with the application of sulfur lower than at 60 kg/10a. With the application of sulfur higher than at 60 kg/10a, P, S, and K content increased.

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Effect of Soil Organic Matter Content and Nutrition Elements on Yield of Potato

  • Park, Young-Bae;Noh, Jae-Seung
    • Korean Journal of Soil Science and Fertilizer
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    • v.44 no.2
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    • pp.303-305
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    • 2011
  • A study of different levels of Nutrition Elements and the chemical properties of the soil was conducted to determine the yield performance of potato. Application of sulfur, potassium, and Magnesium significantly affected final height, dry matter content, and crispiness of potato. The final pH, organo-nitrogen, phosphorus, potassium, and magnesium content in the soil were significantly affected by S-K-Mg application.

Effects of Gypsum and Fresh Cattle Manure on Physico-chemical Properties of Soil and Yield of Forage Crop in Hwaong Reclaimed Land

  • Jang, Jae-Eun;Kang, Chang-Sung;Park, Jung-Soo;Shim, Jae-Man;Kim, Hee-Dong;Kim, Sun-Jae
    • Korean Journal of Soil Science and Fertilizer
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    • v.50 no.1
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    • pp.31-39
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    • 2017
  • The effects of application of gypsum and fresh cattle manure on the yield of forage crop were investigated in Hwaong reclaimed land in Korea for 3 years from 2011 to 2013. This study was conducted to develop the practical application method of livestock manure as a fertilization source and a soil physico-chemical ameliorator for the cultivation of forage crop $Sorghum{\times}Sudangrass$ hybrid in newly reclaimed tidal land soil. Treatments with six applications were established with three replications; chemical fertilizer (CF), gypsum (G) $20Mg\;ha^{-1}$, G+fresh cattle manure (FCM) 100%, G+FCM 200%, G+FCM 300% and FCM 100% which referred to the application rate equivalent to the recommended amount of phosphate fertilization by soil test. The combined treatments of G+FCM increased soil organic matter, $Av.P_2O_5$ and exchangeable $Ca^{2+}$ contents while decreased exchangeable $Na^+$ and $Mg^{2+}$. The soil bulk density, soil hardness and soil aggregate formation were improved by G+FCM treatments. The dry matter yields of $Sorghum{\times}Sudangrass$ hybrid were significantly increased in proportion to the application rate of FCM. The phosphorus use efficiency showed the highest in the application level of G+FCM 100%, which seemed to be the results of reduced nutrient use efficiency by nutrient immobilization, leaching etc. when applied excessive amount of fresh animal manure.

Evaluation of Different Organic Materials in Reducing Cadmium Phytoavailability of Radish Grown in Contaminated Soil

  • Kim, Yong Gyun;Park, Hyean Cheal;Kim, Keun Ki;Kim, Sung Un;Hong, Chang Oh
    • Korean Journal of Soil Science and Fertilizer
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    • v.50 no.1
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    • pp.12-20
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    • 2017
  • Various types of organic materials could affect differently immobilization of cadmium (Cd) and its uptake by plant grown in soil. Therefore, this study was conducted to evaluate effect of different organic materials in reducing Cd phytoextractability in contaminated arable soil. To do this, rice straw and composted manure were selected as organic materials and applied at the rate of 0, 15, 30, and $45Mg\;ha^{-1}$ in Cd contaminated arable soil with $6.5mg\;kg^{-1}$ of total Cd. Radish (Raphanus sativa L.) was seeded and grown for 50 days to evaluate Cd phytoavailability with different organic materials. Composted manure was more effective to decrease $1M\;NH_4OAc$ extractable Cd concentration and increase pH of soil than rice straw. $One\;M\;NH_4OAc$ extractable Cd concentration significantly decreased with increasing application rate of composted manure. Tendency of Cd uptake by radish plant with application of different organic materials was similar to that of $1M\;NH_4OAc$ extractable Cd concentration and soil pH. Changes of soil pH with application of straw and composted might be one of factors to determine extractability and phytoavailability of Cd in this study. Radish yield significantly increased with up to $45Mg\;ha^{-1}$ of composted manure application but did not with straw application. In the view point of Cd phytoextractability and plant productivity, it is recommended to apply composted manure rather than straw in Cd contaminated arable soil.

Effects of Biomass Application on Soil Carbon Storage and Mitigation of GHGs Emission in Upland

  • Park, Woo-Kyun;Kim, Gun-Yeob;Lee, Sun-Il;Shin, Joung-Du;Jang, Hee-Young;Na, Un-Sung;So, Kyu-Ho
    • Korean Journal of Soil Science and Fertilizer
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    • v.48 no.5
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    • pp.340-350
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    • 2015
  • This experiment was carried out to find out the mitigation of greenhouse gases (GHGs) emission and changes of soil carbon contents in the cropland. In order to minimize the soil disturbance, this study was conducted without crop cultivation at the pots treated with different biomass. Different biomass was buried in the soil for 12 months. Decomposition rates of expander rice hull, pig manure compost and carbonized rice hull were 18%, 11~11.5% and 0.5~1.2%, respectively. It was appeared that carbonized rice hull was slightly decomposed. No difference was shown between chemical fertilizer treatment plot and non-application plot. It was appeared that soil carbon content in the non chemical fertilizer application plot was high when compared to its chemical fertilizer. Its content at soil depth of 20 cm more decreased than the upper layer of soil. Accumulative emission of $CO_2$ with different treatments of biomass was highest of 829.0~876.6 g $CO_2m^{-2}$ in the application plot of PMC (Pig Manure Compost) regardless of chemical fertilizer treatment during 16 months of experiment. However, the emission for expander rice hull treatment plot was lowest of 672.3~808.1 g $CO_2m^{-2}$. For application plot of the carbonized rice hull, it was shown that non chemical fertilizer plot, 304.1 mg $N_2Om^{-2}$, was higher than the chemical fertilizer treatment, 271.6 mg $N_2Om^{-2}$. Greenhouse gas emissions in the PMC treatment were highest of 0.94 ton $CO_2eqha^{-1}yr^{-1}$. However, it was estimated to be the lowest in the expander rice hull treatment.

Influence of fresh rice straw application on growth characteristics of tobacco(Nicotiana tabacum L.) (질소 기아현상에 관한 반론적 연구)

  • 이부경
    • Journal of the Korean Society of Tobacco Science
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    • v.12 no.2
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    • pp.85-90
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    • 1990
  • Pot experiment was conducted to find out the effect of decomposing degree of rice straw on growth characteristics of flue-cured tobacco, NC82. Tobacco growth was hindered by fresh straw of rice application. Generally, it was known that if organic matter of high Carbon/Nitrogen ratio had applied in soil, there was temporary nitrogen deficiency in plant caused by soil microorganism utilized nitrogen contained organic matter. In pot experiment, it was supposed that tobacco growth hindered by fresh straw of rice application was not nitrogen deficiency by soil microorganism, but gas toxicity by fresh straw of rice application.

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Analysis of Methane from Screened Soil of Closed Landfill and Application of Landfarming for the Reduction of the Methane (사용종료 매립지 선별토양의 메탄 발생 분석 및 토양경작기술 적용 효과 연구)

  • Kim, Kyung;Yang, Jae-Kyu;Chang, Yoon-Young
    • Journal of Soil and Groundwater Environment
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    • v.15 no.5
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    • pp.40-45
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    • 2010
  • In this study, methane production by reuse of screened soil of landfill was estimated and the effect of application of landfarming for the reduction of methane was investigated. The study soil sampled from S closed landfill contains VS 9.8~12.8% and its BOD/COD is 0.31~0.33 which is more than three times over 0.1, the BOD/COD stabilization criteria of Ministry of Environment. The effective remediation technology for the reduction of organics of soil, landfarming was applied to the screened soil for 60 days. VS and TPH removal showed 5.2~8.3% and 67~74% respectively, and the reduction of VS until 30 day charged 70% of the total reduction. BMP test showed 27.77~30.46 mL $CH_4$/g VS and total methane production from total screened soil for remediation is expected about 260.4 $CH_4$ ton. Expected amount of methane production of the screened soil by landfarming application is 12.9 $CH_4$ ton, which shows 95% gas reduction effect and landfarming is effective for the reduction of methane production from screened soil of landfill.

Effect of Sesame Straw Biochar Application on Soil Physics and Nitrous Oxide Emission in Upland Soil

  • Kang, Se-Won;Cho, Ju-Sik;Kim, Hyun-Tae;Seo, Dong-Cheol;Moon, Sung-Dong
    • Korean Journal of Soil Science and Fertilizer
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    • v.49 no.3
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    • pp.259-264
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    • 2016
  • The effect of biochar application on soil physics and nitrous oxide ($N_2O$) emission from upland soil for broccoli cultivation was investigated. Sesame straw biochar (SB) was applied at amounts 0 (IF), 50 (SB50), 100 (SB100), 200 (SB200) kg $10a^{-1}$, respectively. SB addition to the upland soil decreased bulk density, and increased porosity and soil respiration. The $N_2O$ emission rates in all treatments were higher in the order of IF $${\geq_-}$$ SB50 > SB100 $${\geq_-}$$ SB200 treatments. Global warming potential in SB200 treatment decreased by 15.1% compared to IF treatment. Therefore, SB application in upland soil can improve soil physics and reduce $N_2O$ emission.