Mean annual growth index C4 megatherm plants

Annual mean growth index for C4 megatherm plants computed for a clay loam soil type with 150mm available water holding capacity as the product of three component indices (temperature, light and moisture) using an optimum temperature of 32�C and range 10-45�C.

针对C4高温型植物（C4 megatherm plants），在黏壤土（clay loam）土壤类型且有效持水量（available water holding capacity）为150毫米的条件下计算得到的年平均生长指数，该指数为温度、光照、水分三个组分指数的乘积，计算时采用的最适温度为32℃，温度适用范围为10℃至45℃。