EXPERIMENTAL FIELD OF THE ROYAL AGRICULTURAL ACADEMY BONN-POPPELSDORF. 



Pea Leaves. 



Potash Starvation: Dressed with suffi- 

 cient Nitrogen, Phosphoric Acid and 

 Lime — Potash withheld 



Dressed annually since 1896 with Cop.;- 



plete Manure containing 89 and 107 lbs 



Potash respectively 



Bonn-Poppel$dorf Table lo 



