<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu CCM - 300 - yakavakirwa pamwero fluorescence nzira maererano neGitelson 1999.  <response>: Chokwadika, shanduro yakaoma zvikuru yemutsara wacho ndeiyi CCM - 300 - yakavakirwa panzira ye fluorescence maererano naGitelson 1999 inorava zvakananga mu chlorophyll content mg m -2 uye mu fluorescence ratio. 