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By Matchett J.R., et al. (eds.)

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4 Natural Fibres in Soil Conservation Natural fibres possess a distinctive characteristic, which makes them excellent materials for soil conservation. Coir fibre has very good application in erosion control markets for landscaping. The mesh of woven coir matting acts as miniature dams and prevents the seeds from washing away by rain and wind and facilitates the growth [81] Geotextiles are promising new outlet for natural fibre producers. Originally developed in the Netherlands for the construction of dykes, geotextile nets made from hard natural fibres strengthen earthworks and encourage the growth of plants and trees, which provide further reinforcement.

5 nm (70 measurements) nanoparticles have a length lower than 100 nm. 20 shows the transmission electron micrograph of ramie cellulose whiskers Alemdar and Sain [86] extracted Cellulose nanofibres of wheat straw and soy hulls, by a chemi-mechanical technique. They analysed the morphology and physical properties of the nanofibres by scanning and transmission electron microscopy. The wheat straw nanofibres have diameters in the range of 10–80 nm and lengths of a few thousand nanometres, and the soy hull nanofibres have diameters in the range of 20–120 nm and shorter lengths than the wheat straw nanofibres.

They analysed the morphology and physical properties of the nanofibres by scanning and transmission electron microscopy. The wheat straw nanofibres have diameters in the range of 10–80 nm and lengths of a few thousand nanometres, and the soy hull nanofibres have diameters in the range of 20–120 nm and shorter lengths than the wheat straw nanofibres. Fig. 21a and b shows the TEM pictures of the wheat straw and soy hull nanofibres. The image shows the separation of the nanofibres from the micro-sized fibres.

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