Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" ... progress has been made in these matters. The evil consists in this, that when it is desired to observe the action of temperature, either fixed or varied, mean or extreme, or the effect of light, it is exceedingly difficult, and sometimes impossible,... "
The Florist and Pomologist: A Pictorial Monthly Magazine of Flowers, Fruits ... - Page 129
1866
Full view - About this book

Journal of Botany, British and Foreign

Botany - 1866
...or the effect of light, it is exceedingly difficult, and sometimes impossible, when observations are made in the usual manner, to eliminate the effects...to ascertain the influence of the gases diffused in the atmosphere around plants, or that of the plants themselves upon the atmosphere. Place plants under...
Full view - About this book

The American Journal of Science and Arts

Geology - 1866
...or the effect of light, it is exceedingly difficult, and sometimes impossible, when observations are made in the usual manner, to eliminate the effects...to ascertain the influence of the gases diffused in the atmosphere around plants, or that of the plants themselves upon the atmosphere. Place plants under...
Full view - About this book

A First Report on the Relations Between Climates and Crops

Cleveland Abbe - Crops and climate - 1905 - 386 pages
...or the effect of light, it is exceedingly difficult, and sometimes impossible (when observations are made in the usual manner) , to eliminate the effects...plants in too contracted a space, either in tubes or bell glasses. This last objection is apparent when it is wished to ascertain the influence of the gases...
Full view - About this book

Bulletin, Issue 36

United States. Weather Bureau - Meteorology - 1905
...or the effect of light, it is exceedingly difficult, and sometimes impossible (when observations are made in the usual manner), to eliminate the effects...plants in too contracted a space, either in tubes or bell glasses. This last objection is apparent when it is wished to ascertain the influence of the gases...
Full view - About this book

Bulletin, Issue 36

United States. Weather Bureau - Meteorology, Agricultural - 1905
...made in the usual manner), to eliminate the effects of the constant variations of heat and light. Tn the laboratory it is possible to operate under more...plants in too contracted a space, either in tubes or bell glasses. This last objection is apparent when it is wished to ascertain the influence of the gases...
Full view - About this book

The American Journal of Science and Arts

1866
...or the effect of light, it is exceedingly difficult, and sometimes impossible, when observations are made in the usual manner, to eliminate the effects...to ascertain the influence of the gases diffused in the atmosphere around plants, or that of the plants themselves upon the atmosphere. Place plants under...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF