Duke, J. A. <br/><br/>
Ecological distribution of 1000 economic plants 

 - Costa Rica :   IICA-Trópicos,   1975 
 - 32 p. ;   27 cm. 
 - Agronomía ;   n. 1 .
<br/><br/> Impreso 
<br/><br/> Data resulting from more than 500 questionnaires are tabulated on 1000 economic plants, giving their life and indicating, what life zones, pH, light, precipitation, and temperature regimes they have been reported to tolerate. The few yield data  
<br/><br/><br/>Ingles 
<br/><br/><label>Subjects--Index Terms: </label>ECOLOGIA PLANTAS 
<br/><br/><label>Dewey Class. No.: </label>575