Abstract
Soil erosion control by amendments is an effective method to reduce runoff and soil loss. In this respect, application of nanofiber (NF) produced from recycled old paperboard containers as a novel approach has not been reported yet. Therefore, application of the produced lignocellulose NF suspension was carried out at various typical dosage levels (i.e., 0.5, 1, and 1.5 L m−2) at small plots of 50 × 50 × 30 cm3 dimensions. The plots were filled by 18 cm of mineral pumices as a drainage layer and the rest (upper 12 cm) was filled by fine soils. They were then subjected to rainfall simulation with intensity of 70 mm.h-¹ and duration of 30 min. The results showed that the NF amendment at all three levels increased time to runoff at tunes of 76, 86 and 81 %, decreased runoff volumes by 55, 100 and 70 % and also ameliorated soil losses some 87, 100 and 96 % compared to control (dry) plots, 23 respectively. The results also verified the efficiency of biocompatible amendment for soil and water conservation in sensitive areas facilitating sustainable development.
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