An automatic transpiration scale of large capacity for use with freely exposed plants. / Hourly transpiration rate on clear days as determined by cyclic environmental factors. / Daily transpiration during the normal growth period and its correlation with the weather.
Häftad bok.
Mycket gott skick. Washinton D.C. 1915-16. Royal 8:o. (20) + (70) + (60) pp. + 8 pl. + printed wrappers. Library stamps. Three offprints (with own title-pages) from Journal of Agricultural Research. [15C]