Nuttonson, Michael Y. ,  1904- <br/><br/>
The role of bioclimatology in agriculture with special reference to the use of thermal and photo-thermal requirements of pure-line varietie s of plants as a biological indication in ascertaining climatic analogu es (homoclimes). 

 - Leiden :  International Journal of Bioclimatology and Biometeorolo gy,  1957. 
 - 8, [11] p. :  charts, tables ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops and climate.<br/>Meteorology, Agricultural.<br/>Phenology.
<br/><br/><label>Dewey Class. No.: </label>630.2515