초록 |
Problems such as desertification and shortage of agricultural water are occurring due to drought and lack of precipitation caused by abnormal climate around the world. Accordingly, it is difficult to supply moisture to plants by storing moisture in the soil for a long time in a poor environment. To overcome this limitation, a method for storing soil moisture using polymer hydrogel has been developed. However, a general hydrogel crosslinked with an organic crosslinker shows a low swelling ratio and slow deswelling rate, indicating a limitation as soil amendments. We developed novel soil amendments by preparing a nanocomposite (NC) hydrogel using sheet-type nanoparticles to continuously supply moisture to plants. The swelling properties of the prepared NC hydrogel were studied. In addition, the growth of plants was investigated by applying it to agricultural soil. The ecotoxicity of microplastics from polymer hydrogels in the soil was also studied. |