Content*. 



PAGE 



7. 400Z6. ammonia-salts, with mixed 



mineral manure containing potash: 

 Plot 9 159 



8. 400Z6. ammonia-salts, with mixed 



mineral manure containing potash, 



and 2000Z6. cut wheat straw : Plot 13 161 



9. SQOlb. ammonia-salts, with mived 



mineral manure containing potash : 

 Plots lla and lib 164 



10. 550Z6. nitrate of soda, with mixed 



mineral manure containing potash : 

 PlotU ... 167 



11. 275Z6. nitrate of soda, with mixed 



mineral manure containing potash : 

 PlotU ... 170 



12. 400Z6. ammonia -salts, and super- 



phosphate of lime : Plot 46 172 



13. 400Z6. ammonia -salts, and mixed 



mineral manure, with and without 

 potash: Plots 9 and 10 ... 175 



14. Mixed mineral manure alone 7 years ; 



succeeding ammonia - salts alone 



13 years: Plot 6 ... 178 



15. Equal nitrogen and equal potash, in 



nitrate of soda and sulphate ofpot<iJi, 

 and in nitrate of potash ; in each case 

 with superphosphate of lime : Plots 

 19 and 20 181 



16. Mixture supplying the ash-constituents, 



and the nitrogen, of 1 ton of hay: 

 Plot 18 ... 184 



17. Farmyard manure alone, and with 



ammonite-sofa /// addition : Plots 2 



and 1 189 



FATE OF THE NITROGEN IN THE SOIL... 194 



