ov 



(c; The fciir-week plants seem, in r.eny cases, to be especially- 

 susceptible to high evaporation rates during the last tv.'o weeks 

 of their growth. 



Considering the soy-bean as a standard plant for the measure- 

 ment of the efficiency of the clim.ate in various parts of the 

 state of l-.^arylend to produce plant growth, it would appear that 

 during the season of 1914 the three stations in the western part 

 of the state (Oakland, Chewsville, and Monrovia) showed a lower 

 plant producing power than the remaining six stations, the term 

 plant producing power meaning here the effectiveness of the 

 climatic complex to produce growth in young soy-bean plants. It 

 would also appear that the climiPtic comiplexes of certain culture 

 periods weremore efficient for growing soy-bean than the averages 

 of the environmental conditions would lead us to expect, while 

 for certain other periods the clim&tic com,plexes were less effi- 

 cient tc produce growth than would be expectec fror the averages 

 for the periods. Taking all the facts of the investip-p.tion into 

 accoui&t, this would seem, to be due to the v. ay in which high 

 and lov. intensities of the conditions were cistributed throughout 

 these periods. 



