• Title, Summary, Keyword: Liquid fertilizer

Search Result 357, Processing Time 0.036 seconds

Production of liquid fertilizer from broken eggs and evaluation of its effect on lettuce growth

  • Kim, Bo-Ra;Lee, Jae-Han;Kim, Su-Hun;Choi, Ha-Yeon;Choi, Bong-Su;Oh, Taek-Keun;Lee, Chang-Hoon
    • Korean Journal of Agricultural Science
    • /
    • v.47 no.1
    • /
    • pp.11-18
    • /
    • 2020
  • Eggs are likely to be used in agriculture because they can provide enough nutrients for crop growth. Statistics show that a large number of eggs are lost due to breakage before reaching the final consumer. The purpose of this study was to make a natural liquid fertilizer as a substitute for chemical fertilizers using broken eggs as a resource and to evaluate the efficiency of the formulated fertilizer. To make the liquid fertilizer, the broken eggs and distilled water were mixed at ratios of 6 : 4 and 4 : 6. Then, effective micro-organisms (EM) and sugar were added, and the mixture was fermented. The temperature and electrical conductivity (EC) increased gradually with the fermentation while the pH decreased. When evaluated following the seed germination index method of the compost, it was found that the fertilizer matured 10 days after the beginning of the experiment. The growth experiment was conducted with lettuce in which the fermented liquid fertilizer was compared with a commercial liquid fertilizer. The 6 : 4 treatment produced plants with the densest fresh shoot and roots weighing 41.6 and 4.6 g, respectively. The number of leaves (12.3 per plant) was also the highest for the 6 : 4 treatment. Soil analysis showed that the soil pH was improved, and the soil organic matter was increased in the fermented liquid fertilizer treatment.

Effect Verification of Liquid Fertilizer Derived from Pig Cadavers on Crop Growth and Soil Properties

  • Yun, Jin-Ju;Kang, Se-Won;Cho, Ju-Sik;Seo, Dong-Cheol;Moon, Sung-Dong
    • Korean Journal of Soil Science and Fertilizer
    • /
    • v.51 no.1
    • /
    • pp.71-78
    • /
    • 2018
  • This study was conducted to investigate the application effect of liquid fertilizer using pig cadavers on potato and corn cultivations in upland field. Field experiments were designed with control (Cn), liquid fertilizer (LF), inorganic fertilizer (IF), and LF + IF treatments. Crop yields in potato and corn cultivations were higher in the order of $LF+I{\geq_-}IF{\geq_-}LF$ > Cn treatments. The potato and corn yields in LF + IF treatment were 237% and 29% greater than those in Cn treatment, respectively. Following crops harvest, soil status was improved, showing greater soil chemical properties in the LF treated areas compared to those in the Cn treatment. In addition, total $CO_2$ fluxes in LF + IF treatment during potato and corn cultivations were significantly increased compared with Cn and IF treatments. Therefore, these results suggest that LF application was effective on crop cultivation and improvement of soil fertility.

Optimization of ultrasound-assisted magnetic retrieval-linked ionic liquid dispersive liquid-liquid microextraction for the determination of cadmium and lead in water samples by graphite furnace atomic absorption spectrometry

  • Yao, Li;Wang, Xie;Liu, Haitao;Lin, Chaowen;Pang, Liangyu;Yang, Junwei;Zeng, Qingbin
    • Journal of Industrial and Engineering Chemistry
    • /
    • v.56
    • /
    • pp.321-326
    • /
    • 2017
  • A simple and efficient method for the determination of Cd and Pb in water samples was developed by ultrasound-assisted magnetic retrieval-linked ionic liquid dispersive liquid-liquid microextraction (UA-MR-IL-DLLME) preconcentration and graphite furnace atomic absorption spectrometry (GFAAS) detection. Ionic liquid (IL) [Hmim] [$PF_6$] was used as the extractant, ammonium pyrrolidine dithiocarbamate (APDC) as the complexing agent and $Fe_3O_4$ nanoparticles as the sorbent, while ultrasound was applied to assist the dispersion of the extractant and accelerate the mass transfer process. The effect of different factors on the extraction efficiency including pH, IL volume, APDC amount, ultrasound extraction time, ultrasound desorption time and $Fe_3O_4$ amount was studied by a fractional factorial design to screen for the most important factors. Then a central composite design was used to optimize the significant factors. Under the optimal conditions, the method has linear calibration curves over the range of 0.3-20 ng/mL for Cd and 0.5-40 ng/mL for Pb, with correlation coefficients (R) of 0.9990 and 0.9986 for Cd and Pb, respectively. The limits of detection were 0.1 ng/mL and 0.15 ng/mL with relative standard deviations of 3.4% and 2.8% for Cd and Pb, respectively. Finally, the method was successfully applied for the determination of Cd and Pb in the real water samples and satisfactory recoveries were achieved.

Effects of Liquid Compost Supplemented with Chemical Fertilizer on Growth and Yield of Rice (Oryza sativa L.) (액상분뇨와 화학비료의 혼합 맞춤비료 시용이 벼의 생육과 수량에 미치는 영향)

  • Ryoo, J.W.
    • Journal of Animal Environmental Science
    • /
    • v.13 no.2
    • /
    • pp.139-146
    • /
    • 2007
  • Field experiment was conducted to assess the influence of liquid compost supplemented with chemical fertilizer on the rice growth and yield in 2005. Treatments consisted of liquid compost supplemented with chemical fertilize.(LCSC), liquid manure(LM), chemical fertilizer(CF), LCSC 50% + 50%CF, LCSC 75% + 25%CF. The plant height and tiller's number in plots of 100% basal application plot by LCSC and LM plot were lower than that of chemical fertilizer. But in the plot of basal application by LCSC and top dressing by chemical fertilizer, the height and tilters of rice were significantly difference with LM application plot. And the leaf color the plots by LCSC and chemical fertilizer was darker than that of the LM application plot. In plots by LCSC treatment, number of panicles per hill was higher that of LM plot. As the plot of 100% basal application by LCSC was fertilized, the yield of rice was decreased compared with chemical fertilizer. But the rice yield of basal fertilization by LCSC and top-dressing by chemical fertilizer was 7% increased compared with LM plot. The application plots by LCSC + chemical fertilizer plot were maintained productivity of rice, the rice should be fertilized with the basal application of LCSC and top-dressing of chemical fertilizer. The quality of brown rice was best in LM and LCSC plot, whereas in chemical fertilizer plot, it was the worst by increased of protein content. The results indicates that the application of LCSC + chemical fertilizer improves quality of rice rather quantity.

  • PDF

Response of Soil Properties to Land Application of Pig Manure Liquid Fertilizer in a Rice Paddy (돈분뇨 액비가 시용된 논토양 특성 변화)

  • Kim, Min-Kyeong;Kwon, Soon-Ik;Kang, Seong-Soo;Han, Min-Soo;Jung, Goo-Bok;Kang, Kee-Kyung
    • Journal of the Korea Organic Resources Recycling Association
    • /
    • v.19 no.4
    • /
    • pp.97-105
    • /
    • 2011
  • A wide diversity of liquid fertilizers and composts produced from the livestock manure in Korea is commonly applied to agricultural lands as an alternative of chemical fertilizers. However, their effects on the crop production and environmental impacts are still vague. The current study was investigated the property changes of paddy soils in sandy loam and silty loam treated with 1) control (no treatment), 2) chemicals, 3) storage liquid fertilizer and 4) SCB liquid fertilizer located in Gyeong-gi province, Korea. The chemical properties of soils in sandy loam and silty loam before the treatment were similar with the ones in the average paddy fields in Korea. Contrary to this, the amount of available phosphorus in sandy loam was higher than the one in the average paddy fields. The number of living organisms in sandy loam and silty loam treated with storage liquid fertilizer and SCB liquid fertilizer were higher than the ones in sandy loam and silty loam with no-treatment and chemicals. Significant difference (P<0.05) among the treatments and no-treatment was observed in sandy loam rather than in silty loam. The amounts of heavy metals were the highest in both sandy loam and silty loam treated with storage liquid fertilizer and SCB liquid fertilizer. The comparison of heavy metals showed that the ones in silty loam were little bit higher than sandy loam. The leaf lengths and dry weights of rices were increased over time, however, no significant difference was observed among each treament. In addition, the rice yield in sandy loam treated with SCB liquid fertilizer was higher than the ones in sandy loam. The highest rice yield was obtained from sandy loam treated with chemicals, but there was no significant difference between storage liquid fertilizer and SCB liquid fertilizer. While the rate of nutrient absorption by rices was the highest in sandy loam and silty loam treated with chemicals, there was no significant difference in sandy loam and silty loam treated with livestock liquid manure.

Minimizing Nutrient Loading from SCB Treated Paddy Rice Fields through Water Management (SCB 액비 시용 논에서 물관리를 통한 양분의 수계 부하 최소화 방안)

  • Kim, Min-Kyeong;Kwon, Soon-Ik;Kang, Seong-Soo;Jung, Goo-Bok;Hong, Seung-Chang;Chae, Mi-Jin;So, Kyu-Ho
    • Korean Journal of Soil Science and Fertilizer
    • /
    • v.45 no.5
    • /
    • pp.671-675
    • /
    • 2012
  • This study was conducted to establish the BMPs (Best Management Practices) for preventing pollutant loadings from paddy rice field applied livestock liquid manure from 2008 through 2011. Cultivated paddy rice fields (Gyeonggi province, Korea) were treated with SCB (Slurry composting and bio-filtration process) liquid fertilizer. The BMPs for paddy rice field developed in this study includes: 1) the controlling a drainage water gate in paddy rice field from right after SCB liquid fertilizer application to 3 weeks after rice transplanting; 2) livestock liquid fertilizer application to paddy rice soils in 20 days before rice transplanting to encourage the utilization of liquid fertilizer; 3) preservation of surface water depth to 5 cm in a paddy field right after SCB liquid fertilizer applied to minimize a water pollution and enhance the utilization of liquid fertilizer; and 4) blocking a water gate at least for 2 days to inactivate E. coli survival. The findings of this study will provide useful and practical guideline to applicators of agricultural soil in deciding appropriate handling and time frames for preventing pollution of water quality for sustainable agriculture.

Effect of Topdressing Methods of Nitrogen Fertilizer on Growth, Yield and Storage of Onion(Allium cepa L.) in Mulch-Cropping System (양파(Allium cepa L,) 멀칭재배시 질소비료 추비방법이 생육, 수량 및 저장성에 미치는 영향)

  • 김우일;서전규
    • Korean Journal of Food Preservation
    • /
    • v.5 no.2
    • /
    • pp.127-132
    • /
    • 1998
  • In order to fad out an efficient way of topdressing nitrogen fertilizer in mulch-cropping system of onion(Allium cepa L.), solid, slow-release, and liquid forms of nitrogen fertilizers were allied to cv. 'Changnyungdaego' various number of times at different time, with 5 topdress applications of solid fertilizer serving as a control. Whole basal application of conventional solid fertilizer and 2 slow-release fertilizers were labor-saving and showed improved storage quality of bulbs, but resulted in poor plant growth and considerably low yield due to fertilizer shortage from early April. This suggests that topdress application is necessary. Liquid form of nitrogen fertilizer was more effective for plant growth and yield and saving labor than the solid form. Early applications was effective for increasing yield and storage quality of onion bulbs harvested. Thus two applications of liquid form of nitrogen fertilizer in February and March at rome month interval are recommended in mulch crowing system of onion.

  • PDF

Feasibility Tests on Struvite Production from Liquid Fertilizer by Utilizing Ferronickel Slag and Sewage Sludge Ash (페로니켈슬래그와 하수슬러지소각재를 이용한 액비로부터 스트루바이트 생산 타당성 연구)

  • Kim, Hyeon;Kwon, Gyutae;Jahng, Deokjin
    • Journal of Korean Society on Water Environment
    • /
    • v.34 no.3
    • /
    • pp.316-327
    • /
    • 2018
  • Liquid fertilizers made from livestock manure contain high concentrations of nitrogen and phosphorus and thus are used as a fertilizer. However, excessive use of liquid fertilizer causes eutrophication of agricultural land and nonpoint source pollution. In this study, as a means of lowering the nutrient concentrations, struvite ($MgNH_4PO_4{\cdot}6H_2O$) production from the liquid fertilizer was investigated. When liquid fertilizers produced in Gyeonggido were analyzed, its characteristics differed by region and season, but the phosphorus concentration was commonly lower than that of nitrogen. When $K_2HPO_4$ and $MgCl_2$ were added to the liquid fertilizers, the optimal pH for struvite formation was pH 9.5. For environmentally friendly sources of magnesium and phosphate, ferronickel slag (FNS) and sewage sludge ash (SSA) were suspended in deionized water and extracted by sulfuric acid with various mass ratios. The optimum conditions for extracting FNS and SSA were 4.0 M sulfuric acid and 0.35 mass ratio of sulfuric acid to sewage sludge ash, respectively. For forming struvite, 0.233 L of SSA leachate (SSAL) was added into 0.3 L of liquid fertilizer containing 2,586 mg/L of ammonia and 110 mg/L of phosphate, pH was then adjusted to pH 9.5 using 10 M of NaOH. Afterwards 0.333 L of FNS leachate (FNSL) was added to this mixed solution. After a reaction for 1 hr at room temperature, the remaining concentrations of magnesium, ammonium, and phosphate were less than 50 mg/L, 500 mg/L and 150 mg/L, respectively, and 30 g of precipitates were obtained, most of which were struvite.

Effect of Application Time and Amount of Liquid Pig Manure on Growth of Rice and Infiltration Water Quality (벼에 대한 돈분뇨 액비의 시용량 및 시용시기 구명)

  • Park, Baeg-Kyun;Lee, Jong-Sik;Cho, Nam-Jun;Jung, Kwang-Yong
    • Korean Journal of Soil Science and Fertilizer
    • /
    • v.34 no.3
    • /
    • pp.147-152
    • /
    • 2001
  • This study was carried out to investigate the effect of application time and amount of liquid pig manure on growth and yield of rice plant and infiltration water quality. Liquid manure treatment with higher application rate and closer application time to transplanting time showed higher plant height and number of tiller at panicle formation stage, but it caused the plant disease and pest and lodging. In liquid manure treatment with higher application rate, number of panicles per hill and number of spikelets per panicle were higher but yield of rice was less than chemical fertilizer treatment due to low rate of ripeness and 1,000 grain weight. $NO_3-N$ concentration in infiltration water sample was increased with increasing application amount of liquid manure and closer application time to transplanting of rice plant. With consideration yield of rice and environment such as groundwater quality, the proper application amount were 150% and 100% of recommending N fertilizer level (11kg) at before winter and April or May treatment, respectively.

  • PDF

Effects of Air Supply Rate and Eggshell Addition on Liquid Fertilizer Efficiency of Aerobic Stabilized Organic Wastewater Sludge (공기공급량과 계란 껍질 첨가가 유기성 폐수슬러지 액비 비효효과에 미치는 영향)

  • Cheon, Hyo-Chang;Hwang, Eung-Ju;Kim, Sang-Hyoun
    • Journal of Korean Society of Environmental Engineers
    • /
    • v.33 no.8
    • /
    • pp.578-582
    • /
    • 2011
  • Aerobic digestion of organic sludge generates stabilized slurry which could be used as a nitrogen-rich liquid fertilizer. In this study, the effects of air supply rate and eggshell addition on the sludge fertilizer efficiency were examined. Sludge from a wastewater treatment plant in a food industry was fed to a lab-scale aerobic digester, and the fertilizer efficiency was assessed by the growth of cucumber. Increase of air supply rate up to 200 mL/L/min enhanced the fertilizer efficiency as well as the nitrification efficiency. The addition of eggshell, a potassium-rich leftover, in fertilizer application was also beneficial to the cucumber growth. A proper control of air supply rate and the use of an inexpensive additive would guarantee the quality of sludge liquid fertilizer.