Will the planting method of sand-pressed melon change the soil parent material

You can't. The planting method of pressed sand melon will change the humidity of soil, but not the parent material of soil. Shagua, also known as Zhongwei Selenium Shagua, is a geographical indication of national agricultural products and a special product of Zhongwei in Ningxia Hui Autonomous Region because its products are rich in healthy element selenium, and it is known as "Gobi watermelon" and "watermelon in a crevice".