Ellison,J Howard <br/><br/>
Asparagus yield as related to plant vigor, earliness and sex 

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 - College Park - EEUU    1960 
 - 4p.  24 cm 
 - American Society for Horticultural science. Proceedings   v.75 .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Botanica--Esparragos--<br/>Botanica