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[Cf. FA 37, 4389, 4390] Reports studies in situ on diurnal and seasonal variation in the rates of photosynthesis (Fc) and stomatal conductance (Ks) of...Read more
There are clear indications that Birch grows in height only when the mean air and soil temperatures exceed 42-44°F. There is a rather loose correlatio...Read more
In experiments at Kabanyolo, Uganda, in which radiation incomes were measured and growth analysis was employed, seedlings of both robusta and arabica ...Read more
From sections cut from stems of 10 P. taeda trees on a moderately deep, well drained sandy loam in Duke Forest, N. Carolina, the annual above-ground v...Read more
Except in the 2- to 3-month annual dry season, stomatal conductance was principally determined by incident irradiance; it was independent of shoot wat...Read more
The relationship between leaf conductance and environmental variables was examined during two summers in 22-year-old Shamouti orange trees. Soil water...Read more
[See FA 38, 1151] Needles of Sitka spruce were illuminated on either the top or bottom surfaces or on both simultaneously, using parallel beam light. ...Read more
The photosynthetic capacity of shoots from whole plants grown in low light (low light phenotypes) was higher than that of high light phenotypes, where...Read more
Presents part III of a study (earlier parts of which had different titles and were concerned with non-forest species) consisting of a detailed investi...Read more
Presents photos taken during and after a solar eclipse in the University of Wisconsin Arboretum, on 10th July 1972, giving examples of solar images un...Read more