Effects of NaHCO3 Stress on Photosynthetic Capabilities and Seedling Growth in Populus bachofenii×P. pyramidalis ‘ROZ’ Effects of Light Intensity on Photosynthetic Capabilities, Growth and Quality of Flue-cured Tobacco Photosynthetic-capability Differences between the Photosynthetic Capabilities of Wheat Varieties with Large-size and Medium-size Spikes and Their Relations to the Kernel Weights and Yields of the Varieties Leaf morphology and photosynthetic characteristics of seedlings of a deciduous and an evergreen broad-leaved species under different light regimes in subtropical Agronomic Traits and Cytological Analysis of F1 of the Male Sterile Sorghum Lines 314A and 13A,and Sudan Grass Effects of Different Nitrogen Forms on the Growth and Photosynthesis of Sunflower (Helianthus annuus) Effect of Water Stress on the Photosynthetic Capabilities and Yield of Winter Wheat Comparation of the Photosynthetic Capabilities of Grafted Seedling and Scion-root Seedling of Eggplant Responses of photosynthetic traits in Cinnamomum longepaniculatum seedlings to forest gap size in a Masson pine plantation Effects of Shading on Growth and Photosynthetic Capabilities of Tobacco Leaves of Cigar-wrapper Use