scholarly journals Assessment of sustainable vermiconversion of water hyacinth by Eudrilus eugeniae and Eisenia fetida

2013 ◽  
Vol 5 (2) ◽  
pp. 451-454
Author(s):  
N. Kannadasan ◽  
Nirmala Natarajan ◽  
N. Anbusaravanan ◽  
P. Sekar ◽  
R. Krishnamoorthy
Keyword(s):  
Water Hyacinth ◽  
Eisenia Fetida ◽  
Micrococcus Luteus ◽  
Maximum Growth ◽  
Garden Soil ◽  
Cow Dung ◽  
Aquatic Weed ◽  
Eudrilus Eugeniae ◽  
Toxic Heavy Metals ◽  
Eichornia Crassipes

The present work has assessed sustainable vermiconversion of aquatic weed water hyacinth (Eichornia crassipes). The garden soil, water hyacinth and cow dung were taken in the following the combinations of 1: 2 : 1, 2: 1: 1 and 1 : 1: 2. Two species of earthworms Eudrilus eugeniae and Eisenia fetida was used for the experiment. The total nitrogen (0.18% in control and 1.68% in earthworm treated) and phosphate (0.63 % in control and 1.64 % in earthworm treated) levels were increased and toxic heavy metals zinc (7.66 ppm in control and 2.58 ppm in earthworm treated) and copper (6.68 ppm in control and 1.15 ppm in earthworm treated) were significantly decreased. The earthworm enriches the compost with various nutrients for plant and microbial growth. Plant growth studies were conducted in all the combination of water hyacinth, maximum growth of root length (8.9cm and 7.2 in control) and shoot length (21.6cm and 16.2 in control) observed compare to control. Gut microbial analysis revealed that Bacillus cereus, Micrococcus luteus were predominantly present in the earthworm. The study recommended that the aquatic weed compost was suitable of agricultural usage.

Assessing the Effect of Co-composting Technique to Generate Quality Manure Out of Water Hyacinth (Eichhornia crassipes)

2017 ◽  
Vol 104 (4 - 6) ◽  
Author(s):  
Prithiv Raj V ◽  
◽  
Ilakiya T ◽  
Nivedha P ◽  
Shahaya Sharmila A ◽  
...  
Keyword(s):  
Water Hyacinth ◽  
Eichhornia Crassipes ◽  
Crop Residues ◽  
Germination Percentage ◽  
Cow Dung ◽  
Aquatic Weed ◽  
Fungal Culture ◽  
Organic Substrates ◽  
Total N ◽  
Mean Values

An experiment was conducted during 2016-2017 to assess the efficacy of co-composting technique for generating quality manure out of the noxious aquatic weed, water hyacinth (Eichhornia crassipes). Locally available organic substrates viz., crop residues and cow dung were mixed with water hyacinth and co-inoculated with the fungal culture, Pleurotus djamor @ 0.05% and the earth worm, Eudrillus eugineae @ 0.2%. The treatment encompassing water hyacinth + crop residue + cow dung (1:1:1) along with P. djamor and E.eugineae showed higher mean values of total “N” (0.93%), “P” (1.00%), “K” (1.10%) content of manure, germination percentage (100 % each) and vigour index of 13.90 and 12.85, respectively for cluster bean and tomato ; whereas, water hyacinth + crop residues (1:1) without the bio-inoculants recorded higher mean total organic carbon of 40.85 %.

Potential of Biogas Production from Floating Aquatic Weeds

2013 ◽  
Vol 824 ◽  
pp. 467-472 ◽  
Author(s):  
M.A. Enaboifo ◽  
O.C. Izinyon
Keyword(s):  
Water Hyacinth ◽  
Laboratory Experiments ◽  
Biogas Production ◽  
Early Stage ◽  
Gas Production ◽  
Cow Dung ◽  
Aquatic Weed ◽  
Aquatic Weeds ◽  
Water Lettuce ◽  
Retention Period

This study investigates the potential of biogas production from water hyacinth, water lettuce and water fern. Laboratory experiments were carried out at the Faculty of Agriculture laboratory, University of Benin, Nigeria. The aquatic weeds which are major constituents of the substrate were contained in the conical flasks used as digester. The cow dung and aquatic weeds were mixed in the ratio of 1:1; 1:2; 1:3; 1:4; and 1:5 in the different samples used for each of the three aquatic weeds and gas produced measured.The results obtained showed that no gas was produced in any of the flasks containing the aquatic weed within 21days. Gas production was however recorded in those with cow dung alone which gave 302ml of biogas within the 21 days retention period with an average of 21ml of gas produced within the active 14 days of production. The results also showed variations in gas production between daytime and night hours with minimal gas production recorded at night hours and peak production during the daytime. It was concluded that cow dung requires shorter retention time to initiate production of biogas when compared with that of the aquatic weeds and therefore can be used to sustained biogas production in aquatic weed at the early stage.

Microbial population, stability and maturity analysis of rotary drum composting of water hyacinth

Biologia ◽  
2014 ◽  
Vol 69 (10) ◽  
Author(s):  
Isha Vishan ◽  
Hiranmayee Kanekar ◽  
Ajay Kalamdhad
Keyword(s):  
Water Hyacinth ◽  
Bacterial Count ◽  
Maximum Temperature ◽  
Cow Dung ◽  
Aquatic Weed ◽  
Indicator Organisms ◽  
Microbial Succession ◽  
Volatile Solids ◽  
Rotary Drum Composting ◽  
Rotary Drum

AbstractWater hyacinth is a noxious aquatic weed growing over a wide variety of wetland. One of the effective methods of its treatment is rotary drum composting. Hence, microbial succession in the rotary drum composting of water hyacinth was studied along with stability and maturity. Different ratios of water hyacinth, cow dung and sawdust, i.e. 8: 1: 1, 7: 2: 1, 6: 3: 1, 5: 4: 1 and 10: 0: 0 (control), respectively, were taken. A total weight of 150 kg was maintained. Maximum degradation was observed in the trial 3 (6: 3: 1), which showed maximum temperature rise up to 56.5°C. The total mesophilic bacterial count changed from 4.73 × 1012 to 2.5 × 107 colony forming unit (CFU)/g compost during the composting period. Spore forming population reached the highest count of 3.3 × 1010 CFU/g in the thermophilic phase of composting. Actinomycetes, streptomycetes and fungi counts decreased to about 2.4 × 107 CFU/g, 6.5×105 CFU/g and 6.79 × 105 CFU/g, respectively, at the end of composting period. A maximum reduction of 78.7% in oxygen uptake rate and 90.6% in CO2 evolution rate was observed. This showed the highest stability of the compost sample. But the maximum volatile solids reduction of 45.9% signified the high content of recalcitrant lignocellulosic material. Indicator organisms were reduced to acceptable standards of sanitation.

scholarly journals Studies on the Efficiency of Eudrilus eugeniae in the Bioconversion of Tamarind Fruit Shell Waste Mixed with Diclofenac and Bisphenol-A

2021 ◽  
Author(s):  
M.K. Ramesh ◽  
K. Kalaivanan ◽  
S. Durairaj ◽  
G. Selladurai
Keyword(s):  
Bisphenol A ◽  
Correlation Matrix ◽  
Environmental Contaminants ◽  
Garden Soil ◽  
Cow Dung ◽  
Eudrilus Eugeniae ◽  
Experimental Conditions ◽  
One Pot ◽  
Shell Waste ◽  
The Impact

Background: Agricultural chemicals, metals, industrial effluents, plastics, excessive dumping of unused and expired pharmaceutical chemicals etc. contaminate terrestrial, aquatic and aerial environment. The excessive usage of the unwanted chemicals elicits undesirable effects in the non target organism inhabited in the various environments. The soil biota like earthworm faces threats of the environmental contaminants. A number of research works has been carried out to study the impact of certain environmental pollutants on the terrestrial inhabitant like earthworms which are widely utilized in the waste disposal management. Tamarind shell waste is considered one of the unwanted materials dumped in the road side and being discharged from industry and from the houses. The bio waste is now a day’s utilized for various purposes. The environmental contaminants such as diclofenac and bisphenol-A are discharged into the environment and finally reach the terrestrial environment where the inhabitants are adversely affected. Hence the study has been focused to analyze the efficiency of earthworm Eudrilus eugeniae in the conversion of tamarind shell waste mixed separately with Diclofenac and bisphenol-A. Methods: Vermibed was prepared for the present work. The vermibed contains cow dung and garden soil which are common in all the pots. One pot was considered as control. The second pot was mixed with tamarind shell waste. The third pot was mixed with diclofenac and finally in the last pot bisphenol-A was taken. Healthy earworms were selected and released to the four pots. The experimental set up was maintained for 30 days. Correlation matrix and t-test was performed to understand the significance of the results.Result: The study revealed the impact of pollutants on the bioconversion of tamarind shell waste. The contaminants like diclofenac and bisphenol-A significantly decreased the micro and macro nutrient levels. The phosphorous, nitrogen and potassium level showed a decrease when compared to control on 30th day in the diclofenac treatment. The nitrogen value was also decreased in the bisphenol-A treated compost on 30th day and the value was statistically significant. The other nutrients, phosphorous and iron were also decreased significantly (P less than 0.05) in the treatment and correlation matrix showed positive and negative correlation with micro and macro nutrients. The physico-chemical characters such as pH and electrical conductivity are also altered in the experimental conditions.

Extraction, Purification and Characterization of Nanocrystalline Cellulose from Eichhornia crassipes (Mart.) Solms: A Common Aquatic Weed Water Hyacinth

2021 ◽  
pp. 1-12
Author(s):  
Kannan Kilavan Packiam ◽  
Bharani Murugesan ◽  
Pavithra Mettupalayam Kaliyannan Sundaramoorthy ◽  
Harshini Srinivasan ◽  
Keerthika Dhanasekaran
Keyword(s):  
Water Hyacinth ◽  
Eichhornia Crassipes ◽  
Nanocrystalline Cellulose ◽  
Aquatic Weed ◽  
Purification And Characterization

scholarly journals Effect of Lignite Fly Ash on the Growth and Reproduction of Earthworm Eisenia fetida

2009 ◽  
Vol 6 (2) ◽  
pp. 511-517 ◽  
Author(s):  
S. Sarojini ◽  
S. Ananthakrishnasamy ◽  
G. Manimegala ◽  
M. Prakash ◽  
G. Gunasekaran
Keyword(s):  
Fly Ash ◽  
Eisenia Fetida ◽  
Power Plants ◽  
Thermal Power ◽  
Biological Properties ◽  
Cow Dung ◽  
Physical Chemical ◽  
Lignite Fly Ash ◽  
Agricultural Use ◽  
Growth And Reproduction

Fly ash is an amorphous ferroalumino silicate, an important solid waste around thermal power plants. It creates problems leading to environmental degradation due to improper utilization or disposal. However, fly ash is a useful ameliorant that may improve the physical, chemical and biological properties of soils and is a source of readily available plant macro and micronutrients when it is used with biosolids. Supply of nutrients from fly ash with biosolids may enhance their agricultural use. The growth and reproduction ofEisenia fetidawas studied during vermicomposting of fly ash with cowdung and pressmud in four different proportions (T1,T2,T3& T4) and one controli.e.,cow dung and pressmud alone. The growth, cocoon and hatchlings production were observed at the interval of 15 days over a period of 60 days. The maximum worm growth and reproduction was observed in bedding material alone. Next to that the T1was observed as the best mixture for vermiculture.

scholarly journals State of the Art Research on Sustainable Use of Water Hyacinth: A Bibliometric and Text Mining Analysis

Informatics ◽  
2021 ◽  
Vol 8 (2) ◽  
pp. 38
Author(s):  
Aman Basu ◽  
Amit Kumar Hazra ◽  
Shibani Chaudhury ◽  
Andrew B. Ross ◽  
Srinivasan Balachandran
Keyword(s):  
Water Hyacinth ◽  
Eichhornia Crassipes ◽  
Biogas Production ◽  
Sustainable Use ◽  
The United States ◽  
Pollutant Removal ◽  
Aquatic Weed ◽  
Steady Growth ◽  
Art Research ◽  
Negative Sentiment

This study aims to present a systematic data-driven bibliometric analysis of the water hyacinth (Eichhornia crassipes) infestation problem around the globe. As many solutions are being proposed in academia for its management, mitigation, and utilization, it requires investigation through a systematic scrutinizing lens. In this study, literature records from 1977 to June 2020 concerning research on water hyacinth are taken from Scopus for text analysis. Trends in the publication of different article types, dynamics of publication, clustering, correlation, and co-authoring patterns between different countries are observed. The cluster analysis indicated four clusters viz. (i) ecological works related to species, (ii) pollutant removal process and methods, (iii) utilization of biofuels for biogas production, and (iv) modelling works. It is clear from the networking analysis that most of the publications regarding water hyacinth are from India, followed by China and the United States. Sentiment analysis with the AFINN lexicon showed that the negative sentiment towards the aquatic weed has intensified over time. An exploratory analysis was performed using a bigram network plot, depicting and outlining different important domains of water hyacinth research. Water hyacinth research has passed the pioneering phase and is now at the end of a steady growth phase or at the beginning of an acceleration phase. In this article, an overview is given for the entirety of water hyacinth research, with an indication of future trends and possibilities.

scholarly journals Pengaruh Nitrat (NO3) Terhadap Pertumbuhan Alami Eceng Gondok (Eichornia crassipes Solms.) Berdasarkan Biomassa Basah Di Danau Batur, Kintamani, Bali

2017 ◽  
Vol 3 (2) ◽  
pp. 215
Author(s):  
Lisa Rosalia Prayuda ◽  
I Wayan Arthana ◽  
Ayu Putu Wiweka Krisna Dewi
Keyword(s):  
Growth Rate ◽  
Water Hyacinth ◽  
High Fertility ◽  
Natural Growth ◽  
Initial Weight ◽  
Daily Growth Rate ◽  
Daily Growth ◽  
Natural Lakes ◽  
High Fertility Rate ◽  
Eichornia Crassipes

Batur Lake is one of the natural lakes in the province of Bali where the activity of fishing, agriculture, tourism and housing available. This study aims to determine the effect of nitrate relation to the natural growth of the water hyacinth (Eichornia crassipes). Increased water hyacinth biomass in Songan station is the highest among the three other stations (Batur, Buahan, and Trunyan). At the end of the study (day 42 ), water hyacinth biomass of Songan station increased by 338.2 % from the initial weight, while at another station the increase weight  ranges from 75 % -158 %. The highest daily growth rate in Trunyan station 3.68% / day, and the lowest in station Buahan which only reached 0.88% / day. At the Songan station where are many floating net which contribute to increase nitrate. There is a tendency of growth of water hyacinth faster at higher nitrate conditions. Nitrate conditions ranged from 0,35 to 0,62 m /l which shows that the waters of Batur Lake classified into waters that have a high fertility rate (eutrophic).

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