t66 



JOURNAL OF FORESTRY 



Combination 



Weight of average 

 100 seedlings 



1. Sodium nitrate 



2. Sodium nitrate + acid phosphate 



3. Acid phosphate 



4. Acid phosphate + potassium sulphate 



5. Potassium sulphate 



6. Potassium sulphate + sodium nitrate 



7. Potassium sulphate + acid phosphate + 



sodium nitrate 



8. Ammonium sulphate + potassium sulphate + 



acid phosphate 



9. Ammonium sulphate + potassium sulphate.. 

 10. Ammonium sulphate + acid phosphate. 

 II. 

 12. 

 13- 



Acid phosphate + dried blood. 

 Potassium sulphate + bone meal. 

 Bone meal + dried blood 



182 

 205 



183 

 183 

 210 

 274 



268 



269 



252 

 240 

 224 

 238 

 196 



Second tier, single applications 



14. Bone meal 127 



15. Potassium sulphate + bone meal + dried 



blood 



16. Dried blood + "floats" 



17. "Floats" 



18. Ammoniitm sulphate 



19. Dried blood + lime 



20. Lime 



Third series, second tier, double applications 



Fourth series, third tier, double application 



Departure from 

 check average 



—19 



+ 4 

 —18 

 —18 



+ 9 



+ 73 



+67 



+68 



+51 

 +39 

 +23 

 + 37 



— 5 



+25 



+36 



Note. — Every fifth bed was a check. 



These combinations were applied at the time of sowing and raking, 

 except that the nitrogen fertilizers were applied as a top dressing after 



