Plate 8a. — Phaseolus vulgaris (Prinsesseboon), 

 field crop (1947). - Left: unlimed plot. - Right: 60 

 kg lime added. 



Plate 81;. — Phaseolus xnilgaris (Prinsesseboon), 

 grown in solution. — Left: 25 mg MnSO_j/L. — Right: 

 2.5 mg MnSO/L. 



Plate 9. — Phaseolus vulgaris (Prinsesseboon), 

 grown in unlimed soil. — 1 : no addition. — 2: + 

 CaCOg. - 3: + CaCOa + MnSO^. 



Plate lOa. — Vicia sativa (Voederwikke), field 

 crop (1947). — Left: unlimed plot. - Right: 60 kg 

 lime added. 



Plate lOZ;. — Vicia sativa (Voederwikke) grown 

 in unlimed plot. 



