photon flux density meaning in English

光子通量密度

Effects of photosyntheynthetic photon flux density and co2 concentration on photosynthesis of sugar - free micropropagation of sweetpotato plantlets
2浓度间接调控对甘薯无糖组培苗光合特性的影响
Pms has no obvious relation to age and has good relation to air temperature , photon flux density and air humidity . the pre - dawn pms is steady . compared with caraganar , the drought - resistance ability of s . viciifolia is stronger
枝水势同年龄之间无明显关系，与环境因子间有很好的响应，同大气温度和光照显著负相关，与大气湿度显著正相关。
Photosynthesis and transpiration have no obvious difference between different age s . viciifolia , but they have consanguineous physiological responses to environmental factors such as photon flux density , air temperature and the content of soil water . compared with caraganar , s . viciifolia formed the physiological mechanics of less photosynthetic rate and less tranpiration rate to resist drought
狼牙刺的净光合速率同光合有效辐射、大气温度和二氧化碳浓度之间没有显著相关性，与土壤含水量显著正相关；蒸腾作用与光合有效辐射、土壤含水量及空气温度有很好的正相关性，与大气湿度有负相关性。