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Mr. BASHARAT HAMID
Department of Environmental Science, University of Kashmir, Jammu and Kashmir, India

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Research Keywords & Expertise

0 Bioremediation
0 Soil Microbiology
1 solid waste management
0 Biofertilizer production
0 Psychrophyllic microbes

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Journal article
Published: 11 May 2021 in Sustainability
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There is an immense demand for vermicomposting employing psychrophilic vermiculture (Aporrectodea caliginosa) for management of wastes under the Himalayan ecosystem. Dalweed (weeds from the world-famous urban Dal Lake) and cow manure (CM) are cheaply and abundantly available bio resources in Kashmir valley. Dalweed (DW), disposed of in the heart of the city, ascribes unpleasant effects on tourism and the natural ecosystem. Initial substrate mixtures of DW and CM with different ratios (CM100, DW100, CM80:DW20, CM60:DW40, CM40:DW60 and CM20:DW80) and castings harvested were analyzed for the following parameters: pH, TOC, TN, NO3- P, K, Fe, Zn, C:N, C:P, and C:S ratio. The results of a 56day study revealed in consistency and disparity towards the bio-optimization of coprolites depending upon the type of waste residue and mixture ratio used. Treatments with medium to low dalweed residues (CM60:DW40 followed by CM80:DW20) were found to be optimum and significantly primed chemical properties of castings using A. caligenosa. C:N, C:P, and C:S ratios showed a non-linear response with maximum decrease in C:N ratio by 35%, C:P ratio by 38% in CM100, and C:S ratio by 67% in DW100. Humification ratio, humification index, and percent humic acids were changed across all the treatments with the highest respective values of 21.33 ± 1.05, 11.33 ± 0.76, and 47.83 ± 0.76 for CM60:DW40. Results also showed that the earthworm population and biomass significantly increased with the highest respective increments of 57.53% and 74.88% in CM60:DW40 over initial values. Moreover, the highest number of cocoons (95.67 ± 1.17) were recorded within CM60:DW40 and the lowest in the control (43.33 ± 1.53). Dehydrogenase and fluorescein diacetate activities were inconsistent with the highest in CM40:DW60 (64.64%) and CM20:DW80 (63.54%) respectively over the initial substrates, while highest urease activity (74.40%) was observed from CM100. The results highlight the role of A. caliginosa in sustainable transformation of CM and DW with insightful, beneficial, and priming impacts on castings for its agronomic value.

ACS Style

Tahir Sheikh; Zahoor Baba; Sadaf Iqbal; Basharat Hamid; Fehim Wani; M. Bhat; Sheikh Suhail. Unveiling the Efficiency of Psychrophillic Aporrectodea caliginosa in Deciphering the Nutrients from Dalweed and Cow Manure with Bio-Optimization of Coprolites. Sustainability 2021, 13, 5338 .

AMA Style

Tahir Sheikh, Zahoor Baba, Sadaf Iqbal, Basharat Hamid, Fehim Wani, M. Bhat, Sheikh Suhail. Unveiling the Efficiency of Psychrophillic Aporrectodea caliginosa in Deciphering the Nutrients from Dalweed and Cow Manure with Bio-Optimization of Coprolites. Sustainability. 2021; 13 (10):5338.

Chicago/Turabian Style

Tahir Sheikh; Zahoor Baba; Sadaf Iqbal; Basharat Hamid; Fehim Wani; M. Bhat; Sheikh Suhail. 2021. "Unveiling the Efficiency of Psychrophillic Aporrectodea caliginosa in Deciphering the Nutrients from Dalweed and Cow Manure with Bio-Optimization of Coprolites." Sustainability 13, no. 10: 5338.

Review
Published: 06 March 2021 in Sustainability
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This review presents a comprehensive and systematic study of the field of bacterial plant biostimulants and considers the fundamental and innovative principles underlying this technology. Plant biostimulants are an important tool for modern agriculture as part of an integrated crop management (ICM) system, helping make agriculture more sustainable and resilient. Plant biostimulants contain substance(s) and/or microorganisms whose function when applied to plants or the rhizosphere is to stimulate natural processes to enhance plant nutrient uptake, nutrient use efficiency, tolerance to abiotic stress, biocontrol, and crop quality. The use of plant biostimulants has gained substantial and significant heed worldwide as an environmentally friendly alternative to sustainable agricultural production. At present, there is an increasing curiosity in industry and researchers about microbial biostimulants, especially bacterial plant biostimulants (BPBs), to improve crop growth and productivity. The BPBs that are based on PGPR (plant growth-promoting rhizobacteria) play plausible roles to promote/stimulate crop plant growth through several mechanisms that include (i) nutrient acquisition by nitrogen (N2) fixation and solubilization of insoluble minerals (P, K, Zn), organic acids and siderophores; (ii) antimicrobial metabolites and various lytic enzymes; (iii) the action of growth regulators and stress-responsive/induced phytohormones; (iv) ameliorating abiotic stress such as drought, high soil salinity, extreme temperatures, oxidative stress, and heavy metals by using different modes of action; and (v) plant defense induction modes. Presented here is a brief review emphasizing the applicability of BPBs as an innovative exertion to fulfill the current food crisis.

ACS Style

Basharat Hamid; Muzafar Zaman; Shabeena Farooq; Sabah Fatima; R. Sayyed; Zahoor Baba; Tahir Sheikh; Munagala Reddy; Hesham El Enshasy; Abdul Gafur; Ni Suriani. Bacterial Plant Biostimulants: A Sustainable Way towards Improving Growth, Productivity, and Health of Crops. Sustainability 2021, 13, 2856 .

AMA Style

Basharat Hamid, Muzafar Zaman, Shabeena Farooq, Sabah Fatima, R. Sayyed, Zahoor Baba, Tahir Sheikh, Munagala Reddy, Hesham El Enshasy, Abdul Gafur, Ni Suriani. Bacterial Plant Biostimulants: A Sustainable Way towards Improving Growth, Productivity, and Health of Crops. Sustainability. 2021; 13 (5):2856.

Chicago/Turabian Style

Basharat Hamid; Muzafar Zaman; Shabeena Farooq; Sabah Fatima; R. Sayyed; Zahoor Baba; Tahir Sheikh; Munagala Reddy; Hesham El Enshasy; Abdul Gafur; Ni Suriani. 2021. "Bacterial Plant Biostimulants: A Sustainable Way towards Improving Growth, Productivity, and Health of Crops." Sustainability 13, no. 5: 2856.