Black Gold: The Best alternative in Waste Management via Agriculture

Dohaish, El-Jawaher A Bin

doi:10.19080/artoaj.2019.21.556153

Cited by 1 publication

(2 citation statements)

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“…The highest Nt content in the earthworm treated bins was related to the difference in N-forms, in which conventional compost contains higher 'ammonium-N', while vermicompost tended to contain higher 'nitrates-N, the most available nitrogen form' (Atiyeh et al, 2000;Suthar and Singh, 2008). Earthworms facilitate nitrogenfixing bacteria and mycorrhizal fungi (Bin Dohaish, 2019). The pre-dominance of thermophilic bacteria in conventional composting can also lead to the nitrogen loss through volatilization (Sinha et al, 2010;Barthod et al, 2018).…”

Section: Effect On Macro-nutrients (N P K S Ca Mg and Na)mentioning

confidence: 99%

“…An increase in P (4.5-264 %) when using earthworms in the composting process was also found elsewhere (Pattnaik and Reddy, 2010;Rajendran and Thivyatharsan, 2014). Mineralization and mobilization of phosphorus resulting from the enhanced phosphatase activity by microorganisms in the earthworm's gut epithelium might possibly be the reason for this (Garg et al, 2006;Suthar and Singh, 2008;Bin Dohaish, 2019). Earthworms convert insoluble P into soluble forms with the help of P-solubilizing microorganisms, making it more available to plants (Padmavathiamma et al, 2008;Suthar and Singh, 2008;Ramnarain et al, 2019).…”

Section: Effect On Macro-nutrients (N P K S Ca Mg and Na)mentioning

confidence: 99%

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The role of local earthworms in plant nutrient addition in the Ethiopian Drylands

Teka

2023

Sci. agric. (Piracicaba, Braz.)

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The Ethiopian Drylands are rich in their variety of local earthworm species.However, the category of species, and the effect of their performance on additions to plant nutrients have not been adequately evaluated. Thus, local earthworm samples were collected from the three major agroecological zones (highland, midland, and lowland) in Tigray (northern Ethiopia) and classified down to species level. Moreover, a vermicomposting experiment with four treatments (three local earthworm species, Eisenia fetida, and a conventional composting method) and three replications was established. Finally, each bin's mature compost sample was taken to analyze plant nutrient content. The study results indicated that earthworm species in the highland, midland and lowland agroecological zones were Dendrobaena veneta, Eisenia andrie and Lumbricus rubellus, respectively. The use of these earthworms in the composting process (average of the four earthworm species) yielded higher nutrient content, ranging from 21.9 % for Sodium to 3300 % for Boron, compared to the conventional one. The highest total nitrogen (an increase of 44.4 %) and organic carbon (an increase of 33.4 %) were recorded in the Eisenia fetida and Dendrobaena veneta treated bins, respectively. Composting with Eisenia andrie has resulted in increases in P (96.1 %), K (125 %), Mg (83 %) and all micro-nutrients (between 91 % for Zn and 4400 % for B). Both Eisenia andrie and Lumbricus rubellus species contributed to the increased additions of Sulfur (85.7 %) compared to the control. It can be concluded that the use of local earthworms (particularly Eisenia andrie) in the composting process plays a significant role in plant nutrient addition.

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