120 



POTASSIC TRIALS. 



Analyses of Manures, 1923 and 1924. 



Description. 



% K 2 



1923 



1924 



Sulphate of Potash ... 

 Muriate of Potash — High Grade 

 Muriate of Potash — Low Grade 

 Potash Manure Salts 30% ... 

 Potash Manure Salts 20% ... 

 Sylvinite 

 Kainit ... 



5P90 

 62 85 

 56'35 

 3135 

 2135 

 1720 

 1345 



47-55 



51.36 

 30*33 

 2221 

 1813 



Potatoes (Kerr's Pink). Foster's Field, 1924. 



Manures per Acre. 



Produce per Acre 



in 



Tons. 



* Farmyard Manure Series (15 tons per Acre). 



Series 

 G. 

 76 



Control. Farmyard Manure 15 tons 

 Basal Manure (Superphosphate 4 cwt., Sulphate of 

 Ammonia l£ cwt.)... 



Sulphate of Potash 191 lb., Basal Manure 



Muriate of Potash 177 lb., Basal Manure 



20% Potash Manure Salts, 408 lb., Basal Manure 

 Sylvinite 566 lb., Basal Manure... 



7-9 

 91 

 84 

 94 

 99 



t No Farmyard Manure Series. 



Control. No Manure 



Basal Manure (Superphosphate 6 cwt., Sulphate of 



Ammonia 2 cwt.) 



Sulphate of Potash 255 lb., Basal Manure 



Muriate of Potash 234 lb., Basal Manure 



20% Potash Manure Salts 544 lb., Basal Manure 



Sylvinite 6§ cwt., Basal Manure 



Sulphate of Potash 255 1b., Sulphate of Soda 830 lb., 



Basal Manure 

 Muriate of Potash 234 lb., Calcium Chloride 525 lb. 



Basal Manure 



§ Potatoes (Kerr's Pink). Foster's Field, 1924. 



Control. No Manure 



Sulphate of Potash 256 1b., Superphosphate 6 cwt., Sulphate 



of Ammonia 226 lb. 



Superphosphate 6 cwt., Sulphate of Ammonia 226 lb 



Sulphate of Potash 512 lb., Superphosphate 12 cwt., Sulphate 



of Ammonia 452 lb. 

 Sulphate of Potash 125 lb., Superphosphate 3 cwt., Sulphate 



of Ammonia 113 lb. 



Series 

 Z. 

 52 



4-8 

 66 

 7-2 

 7-9 

 76 



79 



8-2 



Series 

 3. 

 64 



76 

 34 



105 



62 



♦ Manures applied, May 5-6th. + Manures applied. April 29th— May 5th. 



S Manures applied, May 15th, 



