Sandstorms have been recognized as severe natural disasters worldwide and are increasingly occurring due to land desertification. In this study, an effective and environmentally friendly method (enzymatically induced calcite precipitation-polyvinyl acetate, EICP-PVAc) was proposed for sandstorm control. The technique was applied in a large-scale desert sand solidification experiment (50000 m²) to study the wind-erosion resistance of the technology in the Tengri desert. Due to the straw checkerboard barrier zone and the sand control belt with low barriers zone are easily buried by shifting sands. These engineering methods cannot be reset based on actual field status; so, they easily loss the function of sand proof. The EICP-PVAc method proposed for shifting sand solidification can adapt to the change of different terrain conditions and is suitable for shifting sands with changeable wind direction. After treatment, the straw checkerboard barriers zone and the sand control belt with low barriers zone had larger surface strengths, thicker cemented crust layers and larger CaCO₃ contents. The surface strength increased exponentially with increasing thickness of crust layer. In addition, the network structure of PVAc not only increased the ability of solidifying sand stabilization to resist rain erosion, but also enhanced the intensity of sand stabilization. Therefore, the treatment ensured a long-term rainfall-erosion resistance. Moreover, the wind-erosion resistance of the treated area was significantly improved, and the desert sands in this area were not blown by wind in 60 days. The results demonstrated that EICP-PVAc treatment significantly controlled sandstorm, which presents promising potential for anti-desertification.

沙尘暴在世界范围内已被公认为严重的自然灾害，并且由于土地荒漠化而越来越多地发生。在这项研究中，提出了一种有效且环保的方法（酶促方解石沉淀-聚醋酸乙烯酯，EICP-PVAc）用于沙尘暴控制。将该技术应用于大型沙漠固沙实验（50000 m ²) 研究该技术在腾格里沙漠中的抗风蚀能力。由于稻草棋盘格屏障带和低屏障带的防砂带，容易被流沙掩埋。这些工程方法不能根据现场实际情况重新设置；因此，它们很容易失去防沙功能。提出的流沙固化EICP-PVAc方法能够适应不同地形条件的变化，适用于风向多变的流沙。处理后的秸秆棋盘格障碍带和低障碍带防砂带具有较大的表面强度、较厚的胶结壳层和较大的CaCO ₃内容。表面强度随着地壳层厚度的增加呈指数增加。此外，PVAc的网络结构不仅增加了固沙抵抗雨水侵蚀的能力，而且增强了固沙强度。因此，该处理确保了长期的抗雨蚀性。而且，处理区的抗风蚀能力显着提高，该区沙漠沙土60天无风吹。结果表明，EICP-PVAc 处理显着控制了沙尘暴，这在抗沙漠化方面具有广阔的潜力。