BARLEY : PAGE 



1. Experiments at Rothamsted 53 



2. Experiments at Woburn ... ... ... ... 60 



3. Effect of Residues of Ammoniacal manure ... 63 



4. Experiments at Cirencester... ... ... ... 67 



5. Influence of Ammonia salts on the quality of 



Barley 68 



6. Practical Remarks ... ... ... ... ... 73 



OATS: 



1. Experiments at Rothamsted ... ... ... 74 



2. Glasgow and West of Scotland Experiments ... 76 



3. Influence of Ammonia salts on the quality of the 



produce ... ... ... ... ... ... 80 



4. Practical Remarks ... ... ... ... ... 80 



GRASS LAND : 



1. Experiments at Rothamsted ... ... ... 82 



2. Experiments at Cirencester... ... ... ... 88 



3. Experiments at Pumpherston ... ... ... 89 



4. Experiments on Temporary Grass and Clover ... 91 



5. Influence of Ammonia salts on the Composition 



of Hay ... ... ... ... ... ... 92 



6. Practical Remarks ... ... ... ... ... 94 



POTATOES : 



1. Experiments at Rothamsted ... ... ... 95 



2. The Glasgow Experiments... ... ... ... 98 



3. Influence of Ammoniacal manures on quality ... 99 



4. Practical Remarks ... ... ... ... ... 101 



SUGAR BEET: ... ... ... ... ... ... 103 



MANGEL WURZEL : 



1. Experiments at Rothamsted ... ... ... 106 



2. Bath and West of England Experiments ... ... 110- 



3. Influence of Ammonia salts on quality ... ... 112 



4. Practical Remarks ... ... ... ... ... 114 



TURNIPS : 



1 . Experiments at Rothamsted ... ... ... 116 



2. Miscellaneous Experiments on Farms ... ... 119 



3. Influence of Ammonia salts on quality ... ... 125 



4. Practical Remarks 128 



