The grain-leaf ratio is a comprehensive trait estimating photosyntheticproductivity of per unit leaf area.
粒叶比是衡量单位叶面积光合生产力的综合性状。
2
Photosyntheticproductivity of the leaves is affected by temperature and relative humidity of air as well as directly constrained by intensity of the sunlight.
叶片的光合生产能力直接受光照强度的制约，同时还受气温和空气相对湿度的影响。
3
Seagrass beds are believed to rival rice paddies in their photosyntheticproductivity or the ability to extract greenhouse gas CO2 and convert it into oxygen and stored carbon matter.