Histopathologic examination showed hyperkeratosis of epidermis, increased thickness of the granular layer and dilation of subpapillary vessels filled with red blood cells.

组织病理学检查示表皮角化过度,呈乳头瘤样增生,颗粒层增厚,真皮乳头见大量增生扩张的毛细血管,管腔内含红细胞,血管周围淋巴细胞浸润。

Or through high ridge in a field, covering terra, increasing the temperature of earth, increasing the thickness of dust and frowst in the day time can all be the methods of toting temperature.

起高垄、覆地膜，提高土温，增加热土层厚度，白天不通气或尽量少通气方法加温。