120 "• tlctiiyawia. 



EXPLANATION OF PLATE XXV. 



Fig. I. 



Am Manured with 15.64 g. bone dust, 3.86 g. ammonium nitrate, 2.7 g. 



potassium sulphate, 0.5 g. ferric hydroxide, and 8 g. magnesit. 

 Bii Manured like Am, but magnesit was here substituted by 0.78 g. 



crystiUized magnesium sulphate. 

 Cjii Manured like Am with an addition of 3.42 g. limestone meal. 

 Dni Manured like Cm, but the amount of limestone was here increased to 



6.84 g. 

 Ejii Manured like Dm, but limestone was here replaced by the equivalent 



amount of gypsum (i 1.76 g.). 

 Fji Manured with 15.64 g. bone dust, 8.19 g. sodium nitrate, 2.2 g. 



potassium sulphate, 0.4 g. potassium carbonate, 0.5 g. ferric hydroxide 



and 8 g. magnesit. 



Fig. 2. 



J3 Manured with 20.25 g. sodium nitrate, 10 g. bone dust, and 7.8 g. 



potassium carbonate. 

 IIj Manured with 20.25 g. sodium nitrate, 10 g. bondust, and 34.8 g. 



wood ash. 

 III3 Manured with 20.6 g. sodium nitrate, 6.47 g. bone dust, and 34.8 g. 



wood ash. 

 IV3 Manured with 20.25 g. sodium nitrate, 10 g. bone dust, and 1 1.09 g. 



potassium sulphate. 

 Vg Received no phosphatic manure. 



