首页> 美国政府科技报告 >THE USE OF STOMATAL RESISTANCE, PHOTOPIGMENTS, NITROGEN, WATER POTENTIAL, AND RADIATION TO ESTIMATE NET PHOTOSYNTHESIS IN LIRIODENDRON TULIPIFERA L. --A PHYSIOLOGICAL INDEX1
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THE USE OF STOMATAL RESISTANCE, PHOTOPIGMENTS, NITROGEN, WATER POTENTIAL, AND RADIATION TO ESTIMATE NET PHOTOSYNTHESIS IN LIRIODENDRON TULIPIFERA L. --A PHYSIOLOGICAL INDEX1

机译:利用耐气候性,光合作用,氮,水势和辐射来估算LIRIODENDRON TULIpIFERa L.的净光合作用 - 生理指标1

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A physiological index is proposed as an indirect technique of estimating net CO2 exchange. Multiple linear regression analysis is employed to estimate co¬efficients in a linear model relating physiological plant variables, site parameters, and dependent responses for tulip poplar (Liriodendron tulipifera L.) seedlings.nObjectives were to (1) ascertain which plant and environmental parameters were the most useful in predicting net photosynthesis under varied conditions, (2) determine the amplitudes of physiological processes (photorespiration, diurnal water flux, seasonal pigment development, stomatal resistance, leaf water potential and net CO2 exchange) which characterize tulip poplar, and might prove useful in a predictive index, (3) investigate relationships between photopigment ratios and nutrient status, and (4) define empirical relationships between CO2 uptake and physiological plant parameters and environmental variables.

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