The concepts of solar radiation, photosynthetically active radiation (PAR) and ultraviolet radiation are given in Chapter 1. The purposes and structures of this research are also included in this chapter.

• 第一章介绍了太阳辐射、光合有效辐射、紫外辐射等方面的一些基本概念,简要说明了本文的研究目的与研究内容。