• Title, Summary, Keyword: Liquid fertilizer

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Effect of SCODMn and pH Adjustment on Physicochemical Characteristics in Liquid Fertilizer Production Process Using Swine Manure (SCODMn 농도 및 pH 조정이 양돈분뇨의 후숙발효과정에 미치는 이화학적 영향)

  • Hong, In-Gi;Kim, Soo-Ryang;Lee, Myung-Gyu
    • Journal of Animal Environmental Science
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    • v.18 no.sup
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    • pp.13-20
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    • 2012
  • This research investigated the effect of $SCOD_{Mn}$ concentrations and pH adjustment at the stage before land application, namely 2nd-aeration treatment stage of liquid fertilizer in the liquid fertilizer treatment process of swine manure on the physicochemical compositions of 2nd-aeration treated liquid fertilizer. The liquid fertilizer used in this research is the alkaline fermented liquid fertilizer of swine manure more than pH 9.0 through aeration treatment (Alkaline fermentation treatment group). About the alkaline liquid fertilizer, phosphate neutralization treatment was conducted with phosphoric acid and it was a phosphate neutralization treatment group. In 2nd-aeration treatment of liquid fertilizer for 30 days, each group was divided into alkaline treatment groups (T-1, T-2, and T-3) and phosphate neutralization treatment groups (T-4, T-5, and T-6) according to early $SCOD_{Mn}$ concentrations. The research results are as follows. 1. As for $SCOD_{Mn}$ reduction rate, the average 29.9% in alkaline treatment groups and the average 36.9% in phosphate neutralization treatment groups were shown and so the relatively high reduction rate was shown in phosphate neutralization treatment groups. 2. After finishing the experiment, the group of the lowest $SCOD_{Mn}$ concentrations was the phosphate neutralization treatment group, T-6 with the lowest inflow concentrations. In case the final goal level of 2nd-aeration treated liquid fertilizer is assumed as concentrations less than $SCOD_{Mn}$ 3,000 ppm, it would be desired that inflow concentrations of 2nd-aeration treatment groups are adjusted less than $SCOD_{Mn}$ 5,500 ppm. 3. As for the persistence rate of nitrogen, the average 29.3% in alkaline treatment groups and the average 38.9% in phosphate neutralization treatment groups were shown and so phosphate neutralization treatment groups showed the relatively low loss rate of nitrogen, meanwhile, in the case of T-P, phosphate neutralization treatment groups maintained high concentrations (average 1,473 ppm). 4. In the event of 2nd-aeration treatment of liquid fertilizer, "alkaline fermentation treatment" condition in 'low phosphate-low nitrogen' type and "phosphate neutralization treatment" condition in 'high phosphate-high nitrogen' type are expected to be favorable.

The Growth Effects of Creeping Bentgrass by Application of Liquid Fertilizer with Saponin and Liquid Fertilizer with Amino Acid (사포닌과 아미노산 함유비료의 살포가 크리핑벤트그래스의 생육에 미치는 효과)

  • Kim, Young-Sun;Ham, Suon-Kyu;Lee, Jae-Pil;Hwang, Young-Soo
    • Asian Journal of Turfgrass Science
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    • v.26 no.1
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    • pp.54-59
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    • 2012
  • This study was conducted to evaluate to the effect of liquid fertilizer with saponin (SLF) and liquid fertilizer with amino acid (ALF)on the growth of creeping bentgrass. In creeping bentgrass, turf color index, chlorophyll index, dry weight and shoot number were measured. It was hardly affected by SLF and ALF applications in investigation of chemical properties of the soil. By applying SLF and ALF, turf color index and chlorophyll index in 2SLF and 2ALF were increased more than CF, and shoot number and root length in 2SLF, ALF and 2ALF were higher than CF. In correlation coefficient among growth factors of creeping bentgrass, turf quality was significantly different in root length, shoot number, dry weight, and content of N and K in turf tissue (P<0.05), N content of tissue was significantly in root length, shoot number and dry weight (P<0.05), and K content was significantly in shoot number and dry weight (P<0.05). These results suggested that application of functional liquid fertilizers such as SLF and ALF was expected to replace compound fertilizer in turf management and that applied SLF and ALF was stimulated the uptake of N and K into turf so that turf qualities were improved by enhancing growth shoot and root of turf.

The Effects of Liquid Waste from Methane Fermentation on Botanical Composition , Dry Matter Production and Nutrient Quality of Pasture Mixtures (혼파초지에서 메탄발효폐액의 시용이 식생구성 , 수량 및 목초품질에 미치는 영향)

  • 김정갑;신재성;임동규
    • Journal of The Korean Society of Grassland and Forage Science
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    • v.7 no.2
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    • pp.103-108
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    • 1987
  • The experiment was carried out to determine the optimum application rate of liquid waste from methane fermentation (LW) and its effect on botanical composition, dry matter yields and nutrient quality of pasture mixtures. Experimental fields was designed as a randomized block treated with NPK chemical fertilizer (NPK = 28-20-24 kg/lOa), NPK + Water 28 ton, 112 NPK + LW 28 ton, 112 NPK + LW 42 ton, LW 28 ton, LW 42 ton and LW 56 ton/lOa at Livestock Experiment Station in Suweon, 1985. The results obtained are summarized as follows: 1. Vegetation of introduced pastures, both in grasses and legumes, was markedly increased in the plots treated with methane-liquid waste. However, heavy application of liquid waste tended to increase of native weeds such as Polygronum spp., Rumex spp. and Lactuca spp. 2. Crude protein contents was increased in the plants applied with liquid waste, but NFE was decreased compared with those of chemical fertilizer applied. The concentrations of crude fat and crude fibre were, however less affected by the fertilizer resource. Among cell-wall constituents, cellulose content was decreased as the liquid waste application rate increased, while hemicellulose showed a negative association. 3. Productivity of the pasture was increased as the liquid waste application rate increased. The highest dry matter yields was obtained in the plot treated with LW 42 ton/lOa by 71 1 kg/lOa, which shows about 71% increments compared with those of chemical fertilizer treated. Net energy yields, both in starch value and NEL, were also markedly increased under liquid waste application. As a results, the optimum application rate of methane-liquid waste was found to be 42 ton in 10 a.

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Comparison of Physico-Chemical Properties of Organic Liquid Fertilizer Containing Fish Meal According to Manufacture Method (어분을 이용한 유기 액비 제조 시 제조방법에 따른 액비의 특성 비교)

  • An, Nan-Hee;Cho, Jung-Rai;Gu, Ja-Sun;Kim, Seok-Cheol
    • Journal of the Korea Organic Resources Recycling Association
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    • v.24 no.3
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    • pp.91-99
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    • 2016
  • The objective of this study was to investigate characteristics of inorganic components contained in liquid fertilizer produced using fish meal under different condition. Addition of dry yeast to liquid fertilizer resulted in considerable change in pH and electrical conductivity(EC) value compared to other liquid fertilizers which have microorganisms additives. In addition, it was appeared that the dry yeast-added treatment had higher $NH_4-N$ concentration than other treatments. Addition of molasses resulted in low pH compared to the control which has no additives. The EC, concentration $NH_4-N$ and $P_2O_5$ were not significant difference according to addition of molasses. The pH and $NH_4-N$ concentration in liquid fertilizer containing 20% of fish meal was highest after fermentation process, and EC value increased as the content of fish meal increase. When Cucumber was cultivated using liquid fertilizer, there was no difference in growth between fish meal liquid fertilizer treatment and chemical fertilizers treatment. However, there was a difference in yield according to the supply amount of nitrogen during the growing season.

Effect of Liquid Manure Source, Application Rate and Time on Agronomic Characteristics and Forage Yield of Winter Rye (가축분뇨의 종류, 시비량 및 시비시기가 호밀의 생육특성과 생산성에 미치는 영향)

  • Park, Jin-Gil;Kim, Jong-Duk;Kwon, Chan-Ho
    • Journal of The Korean Society of Grassland and Forage Science
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    • v.26 no.4
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    • pp.227-232
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    • 2006
  • This experiment was conducted to evaluate the effect of liquid manure source, application rate and time on the agronomic characteristics and forage yield of winter rye. The experimental design was a randomized complete block design. The treatments were : CFB150=chemical fertilizer(CF) 150 N as basal, CFS150=CF 150 N as split application (75+75), SLB150=swine liquid (SL) 150 N as basal, SLS150=SL 150 N as split application (75+75), SLB300=SL 300 N as basal, SLS150=SL 300 N as split application(150+150), CLB150=cattle liquid (CL) 150 N as basal, CLS150=CL 150 N as split awlication(75+75), CLB300=CL 300 N as basal, CLS150=CL 300 N as split application(150+150). Heading date of the plant was observed on the 17th of April fur both chemical fertilizer and swine liquid, and on the 16th of April for cattle liquid. Stay green of chemical fertilizer was higher than others because of high crude protein content. Leaf was darker in high nitrogen fertilizer treatments than low N treatments. However lodging resistance was poor as nitrogen fertilizer was increased. Dry matter (DM) content of rye at chemical fertilizer was lower than liquid manure. DM yield of chemical fertilizer treatments were highest among the fertilizer source. However, DM yield of rye with application was all most same at different N application methods. The crude protein (CP) content and yield for chemical fertilizer was significantly higher than liquid manure. CP yield using split application was higher by 16% and 28%, compared to basal application. Based on the results of this study, forage production of liquid manure was lower, compared to chemical fertilizer. And split application was superior to basal application forage and protein yields, and high protein.

Effect of Liquid Pig Manure and Synthetic Fertilizer on Rice Growth, Yield, and Quality (벼 생육, 수량과 품질에 대한 돈분액비와 화학비료 시용 효과)

  • Kwon, Young-Rip;Kim, Ju;Ahn, Byung-Koo;Lee, Sang-Bok
    • Korean Journal of Environmental Agriculture
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    • v.29 no.1
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    • pp.54-60
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    • 2010
  • We have researched the changes in nutrient content in each phase of fermentation in crops treated with liquefied pig fertilizer, and have determined the best method for applying livestock excrement to cultured crops. In the execution of this experiment, rice was cultivated to full maturity at a paddy field in Jeollabuk-Do Agriculture Research and Extension Services(Jeon-buk series) from 2007 to 2008. The rice plant nitrogen absorption quantity change, according to the growth stages of the cultivated rice, was 20.3% in the rice treated with the liquid pig manure and 22.2% the chemical fertilizer at highest congelation. The chemical fertilizer showed a higher absorption quantity than the liquid manure compost. The nitrogen density at highest congelation was 1.5% in the chemical fertilizer, and 1.8% in the pig manure liquid compost not a significant difference. The stem height at harvest time was 73.8 cm in the crops treated with the liquid pig manure compost. Those treated with the chemical fertilizer, yielded a height of 4.2 cm less than the crops treated with the liquid pig manure compost. The yield was 507 kg/10a in the liquid pig manure compost treated rice, compared with the chemical fertilizer, which showed a value of 1.2% lower. The protein content was 6.3% in the rice treated with the chemical fertilizer, but 6.4% in the rice treated with the liquid pig manure compost. This is not a significant difference. However, the lodging rice plant treated with the chemical fertilizer control showed a protein content of 6.8%, which was even higher than the normal rice. The head rice ratio in the brown rice and the polished rice ended up to be lower in the crop treated with the liquid pig manure than that treated with the chemical fertilizer, Quality, the palatability value, was similar in both groups. The above result indicate that, the effect of liquid pig manure compost corresponds to the effect of chemical fertilizer, when each are scattered uniformly.

Physicochemical Characteristics of Liquid Fertilizer made from Pig Manure in Korea (국내 돼지분뇨의 액비성분 특성 비교조사)

  • Jeon, Sang-Joon;Kim, Soo-Ryang;Rho, Kyung-Sang;Choi, Dong-Yoon;Kim, Dong-kyun;Lee, Myung-Gyu
    • Journal of Animal Environmental Science
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    • v.18 no.3
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    • pp.221-228
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    • 2012
  • Physicochemical properties of liquid fertilizer samples of resource organization, which are domestically produced and distributed, are analyzed. Major contents of the research results are as follows. 1. The ratio of complete decomposition for liquid fertilizer is 49% at Public Resource Center and 33% at Liquid Fertilizer Supply Center. The combined ratio of both half-decomposed and un-decomposed liquid fertilizers is over 50% at both centers. 2. The ratio of complete decomposed liquid fertilizer, 67%, is the highest in Gangwon and Gyeonggi-do area. The ratio of un-decomposed liquid fertilizer is high in Chungbuk and Chungnam area. The sum of ratios of the half- and un-decomposed is over 60% in the areas except Gyeonnggi-do and Gangwon-do. 3. As a result of regional comparison of the physicochemical properties of liquid fertilizers, concentration variation in most of the items are large, and the degree of uniformity is found to be considerably low. In particular, concentration variation in T-N and $NH_4$-N is the most noticeable. 4. The items that physicochemically correlated to the degree of decomposition of liquid fertilizer are appeared to be T-N, $NH_4$-N, $NO_3$-N, EC, $SCOD_{Mn}$, and ORP. 5. The physicochemical average values of the liquid fertilizer estimated as "complete decomposed" are appeared to be T-N 829 mg/L,$NH_4$-N 517 mg/L, $NO_3$-N 151 mg/L, $SCOD_{Mn}$ 1,205 mg/L, EC 10.32 mS/cm, ORP -117.12 mV.

Effects of Combined Fertilizers Fertigation of Animal Liquid Manure with Chemical Fertilizer on Growth of Chinese chive(Allium tuberosum Rottler) and Soil Properties (가축분뇨액비에 화학비료를 혼합한 맞춤비료의 관비재배가 부추 생육 및 토양화학성에 미치는 영향)

  • Lee, jin-Woong;Seo, Un-Kab;Kim, Sang-Min;Ryoo, Jong-Won
    • The Journal of the Korean Society of International Agriculture
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    • v.29 no.1
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    • pp.63-69
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    • 2017
  • This study was conducted to examine the effect of nutrients balanced fertilizers applications, swine liquid manure(SLM) with synthetic chemical fertilizer on growth and yield of Chinese chive(Allium tuberosum Rottler) and soil properties in green house cultivation during 2015 growing season. There are 4 treatment plots; swine liquid manure(SLM), nutrients balanced fertilizers(mixture of chemical fertilizer with swine liquid manure(SLM+CF), nutrient balanced and pH adjustment (SLM+CF+pH) and the conventional chemical fertilizer(control). The phosphorous acid is added to adjust pH in animal liquid manure. The yield of Chinese chive in plot of swine liquid manure(SLM) was decreased by 4% compared with plot of conventional chemical fertilizer(control). There was no significant differences of growth and yield of Chinese chive between SLM+CF and control. The yield of SLM+CF+pH plot was highest yield as $8,235kg\;10a^{-1}$ among 4 treatments and was increased than that of swine liquid manure plot($7,489kg\;10a^{-1}$). EC and available $P_2O_5$ were decreased by SLM+CF+pH treatment. Combined application of SCM and CF fertilizer can be a useful tool, particularly for the fertigation culture of Chinese chive in greenhouse. In conclusion, the present study demonstrates that the combined application of liquid swine manure and chemical nutrients was responsible for improving yield of Chinese chive and soil properties.

Valuable Organic Liquid Fertilizer Manufacturing through $TAO^{TM}$ Process for Swine Manure Treatment

  • Lee, Myung-Gyu;Cha, Gi-Cheol
    • Journal of Animal Environmental Science
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    • v.9 no.1
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    • pp.45-56
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    • 2003
  • $TAO^{TM}$ System is an auto-heated thermophilic aerated digestion process using a proprietary microbe called as a Phototropic Bacteria (PTB). High metabolic activity results in heat generation, which enables to produce a pathogen-free and digested liquid fertilizer at short retention times. TAO$^{TM}$ system has been developed to reduce a manure volume and convert into the liquid fertilizer using swine manure since 1992. About 100 units have been installed and operated in Korean swine farms so far. TAO$^{TM}$ system consists of a reactor vessel and ejector-type aeration pumps and foam removers. The swine slurry manure enters into vessel with PTB and is mixed and aerated. The process is operated at detention times from 2 to 4 days and temperature of 55 to $65^{\circ}C$. Foams are occurred and broken down by foam removers to evaporate water contents. Generally, at least 30% of water content is evaporated, 99% of volatile fatty acids caused an odor are removed and pathogen destruction is excellent with fecal coliform, rotavirus and salmonella below detection limits. The effluent from TAO$^{TM}$ system, called as the "TAO EFFLUX", is screened and has superb properties as a fertilizer. Normally N-P-K contents of screened TAO Efflux are 4.7 g/L, 0.375 g/L and 2.8 g/L respectively. The fertilizer effect of TAO EFFLUX compared to chemical fertilizer has been demonstrated and studied with various crops such as rice, potato, cabbage, pumpkin, green pepper, parsley, cucumber and apple. Generally it has better fertilizer effects and excellent soil fertility improvement effects. Moreover, the TAO EFFLUX is concentrated through membrane technology without fouling problems for a cost saving of long distance transportation and a commercialization (crop nutrient commodity) to a gardening market, for example.

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A Study on the Estimation of Water Pollutants Reduction Ratio in Livestock Manure Fertilization (가축분뇨 자원화 처리시 수질오염물질 삭감율 산정 연구)

  • Oa, Seong Wook
    • Journal of Korean Society on Water Environment
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    • v.33 no.6
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    • pp.722-727
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    • 2017
  • Livestock manure is known to be the main cause of non-point pollution in agricultural areas. The pollutant reduction ratio of livestock manure recycling to fertilizers was measured in order to analyze the effect on the water quality of the Total Maximum Daily Load (TMDL) system in Korea. The reduction ratio has been applied by theoretical consideration without a survey, and there is no value for Total Organic Carbon (TOC) newly introducing any organic items. The reduction ratio of each pollutant from this study was revealed as follows: TOC, BOD, T-N and T-P were 0.34, 0.60, 0.37, and 0.42 for individual farm and 0.38, 0.61, 0.45 and 0.44 for entrustment facilities, respectively. The reduction ratio of individual farm was surveyed as TOC 0.63, BOD 0.62, T-N 0.42 and T-P 0.32 for liquid fertilizer, and TOC 0.30, BOD 0.64, T-N 0.40 and T-P 0.48 for compost. The total reduction ratio was derived by multiplying the ratio for liquid fertilizer and compost by the respective load. Compared to the pollutant reduction ratio of the individual farm with entrustment facilities marking the higher in liquid fertilizer and the lower in compost. Through this study, we found the difference of pollutant reduction ratio between a livestock manure recycling process and facilities. Although phosphorus is known as a preservative matter, the treatment efficiency of T-P is analyzed to decrease by chemical precipitation.