Quality optimization of flax fibre through durational management of water retting technology under sub-tropical climate

Dey, Prithwiraj; Mahapatra, B.S.; Pramanick, Biswajit; Kumar, Ajay; Negi, Manisha; Paul, Jai; Shukla, Dinesh Kumar; Singh, Shyam

doi:10.1016/j.indcrop.2021.113277

Cited by 26 publications

(11 citation statements)

References 17 publications

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“…Lettuce in hydroponic system result enhanced photosynthetic and other metabolic activities which lead to increase in various plant metabolites responsible for cell division and elongation. This finding correlates the findings of Tumbare et al, [10], Sundar et al, (2019), Dey et al, [11].…”

Section: Plant Spreadsupporting

confidence: 93%

Effect of Different Levels of Nutrients on Plant Growth, Yield and Quality of Lettuce (Lactuca sativa) in NFT (Nutrient Film Technique) Vertical System of Hydroponics under Shade Net Condition

Longkumer

Bahadur

Prasad

et al. 2022

IJPSS

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The present experiment was carried out under the Shade net, Research Field, Department of Horticulture, SHUATS, Prayagraj during the month of November 2021 to February 2022. Experiment was laid out in Randomized Block Design (RBD), with eight treatments, replicated thrice with nutrient field technique hydroponics system and lettuce variety Grand Rapids. The treatments were T1 (NPK 2.8ml/Plant), T2 (NPK 4.2ml/Plant), T3 (NPK 5.71ml/Plant), T4 (NPK 7.14ml/Plant), T5 (NPK 8.57ml/Plant), T6 (NPK 10ml/Plant), T7 (NPK 11.43ml/Plant) and T8 (NPK12.86ml/Plant). From the observations T5 was found to be the best relating to growth and yield parameters followed by T6 and T7. In gross return, net return and B.C maximum values were also recorded in T5.

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Section: Plant Spreadsupporting

confidence: 93%

Effect of Different Levels of Nutrients on Plant Growth, Yield and Quality of Lettuce (Lactuca sativa) in NFT (Nutrient Film Technique) Vertical System of Hydroponics under Shade Net Condition

Longkumer

Bahadur

Prasad

et al. 2022

IJPSS

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“…After retting, the content of hemicellulose and lignin in the stems decreased, but the dissolution of hemicellulose played a more important role [ 35 ], enabling continued decrease of the moisture regain of fibres. The moisture regain of the fibre in the retted lower stem was significantly higher than that in the upper and middle parts, which might be due to the dissolution of deep colloid and hemicellulose causing the fibre in the lower stem to have a more open structure and be able to accommodate more water molecules [ 36 ].…”

Section: Discussion Of Resultsmentioning

confidence: 99%

Effect of Warm-Water Retting Pretreatment on the Physical Properties of Banana Stem and Its Fibre

Xia

et al. 2022

Materials

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In this paper, warm-water flax retting was used as a pretreatment method for banana-fibre extraction. To determine the optimum conditions for flax retting, the physical properties of various parts of stems and fibres in the process of flax retting were analysed. By studying the tensile strength, elongation at break, diameter, moisture regain, and other characteristics of the fibres, the influences of bacteria and enzymes in the retting liquor on the fibre characteristics in different retting stages were determined. Through mechanical-property tests and microscopic observation of the stem skin, the change rules of the mechanical properties and degumming state of the stems were examined. The results showed that the fibre tensile strength of banana stems reached the maximum value of 45 ± 16 cN·tex−1 after 11 days of retting. As most resins had not been hydrolysed, fibre extraction was difficult. After 21–25 days of retting, the tensile strength of fibres was about 34 ± 10 cN·tex−1, elongation at break was about 1.71%, and moisture regain was about 13.56%. The fibre characteristics met the process requirements, and the tensile separation stress of the stem was small, about 0.034 MPa. This time point could be used as the optimum endpoint for retting flax in warm water, which could provide theoretical support and research basis for the recycling of banana straw. The functional groups of the extracted fibres were studied by FTIR, which confirmed the observed change rule of each component during degumming. The experimental results showed that a longer retting time corresponded with a lower content of fibre impurities, more thorough degumming, and less difficult extraction; however, strength and toughness decreased.

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“…In natural water retting (Dey et al, 2021;Di Candilo et al, 2010), fiber stalks or pealed fiber bundles are tied and pressed under stones or wood in a natural water tank, usually in a pool or river. Immersion for a long period contributes to the penetration of water into the fiber matrix.…”

Section: Natural Rettingmentioning

confidence: 99%

Degumming methods for bast fibers—A mini review

Lyu

Zhang

Wang

et al. 2021

Industrial Crops and Products

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Quality optimization of flax fibre through durational management of water retting technology under sub-tropical climate

Cited by 26 publications

References 17 publications

Effect of Different Levels of Nutrients on Plant Growth, Yield and Quality of Lettuce (Lactuca sativa) in NFT (Nutrient Film Technique) Vertical System of Hydroponics under Shade Net Condition

Effect of Different Levels of Nutrients on Plant Growth, Yield and Quality of Lettuce (Lactuca sativa) in NFT (Nutrient Film Technique) Vertical System of Hydroponics under Shade Net Condition

Effect of Warm-Water Retting Pretreatment on the Physical Properties of Banana Stem and Its Fibre

Degumming methods for bast fibers—A mini review

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