34 



BITTER PIT INVESTIGATION. 



SUMMARY OF MANURIAL EXPERIMENTS 1915-16. 



Pitted 



Fruit. 



Ibs. 



296 



169 



105 



94 



40 

 389 



156 



140 

 240 



169 



Per cent. 

 Pitted. Remarks. 



85 Fair growth, colour of foliage good, fruit fairly large. 



72 Growth not as good as 1, foliage poorer, but colour good ; 



fruit large. 

 82 -Fair to good growth, foliage and colour good, fruit fairly 



large. 



67 Growth fair, foliage and colour fair, fruit large. 



68 Trees with "die-hack," foliage scanty, and colour medium. 



86 Growth medium, foliage and colour good, fruit good to 



medium. 



61 Growth poor, foliage and colour good, fruit fair-sized. 

 68 Growth poor, foliage and colour good, fruit medium. 

 75 Growth poor, colour and foliage good, fruit good to medium ; 



a most even sample. 

 81 Growth poor to medium, colour and foliage good, fruit 



similar to 9. 

 57 Growth very poor, foliage scanty and fair colour, fruit 



medium. 



67 Growth poor, colour and foliage fair, fruit fair. 

 64 Growth poor, colour and foliage fair, fruit medium. 



General average 



14 28 44 



15 31 43 



16 (il 83 



Genera! average 



SUMMARY OF (.'HECK PLOTS. 



61 No growth, foliage weak, and colour fair ; fruit poor. 

 58 Very little growth, foliage weak, and colour fair ; fruit poor. 

 57 No growth, foliage weak, and colour fair ; fruit fair. 



TABLE XVI. 

 PERCENTAGE OF PIT IN RELATION TO YIELD AND MANURE. 



Manure. 



Yield. 



1915. 

 Ibs. 

 No manure 3 plots . . . . . . . . Average per plot 400 



Ground limestone . . . . . . . . . . . . . . . . 338 



Sulphate of iron . . . . . . . . . . . . . . . . 358 



Superphosphate + Sulphate of potash .. .. .. .. ..1197 



Do. + Sulphate of ammonia .. .. .. .. 1421 



Do. + Sulphate of potash .. .. 889 



Do. + Kainit 863 



Do. + Sulphate of potash + Special boiiedust 983 

 + Sulphate of ammonia + Special bonedust .. 1136 

 + Do. + Thomas' phosphate 641 



+ Sulphate of iron + Special bonedust . . . . 1291 



538 



+ Ground limestone . . . . . . 447 



+ Superphosphate + Sulphate of potash . . 935 



Do. + 



Do. + 



Do. + 



Sulphate of potash 

 Do. 

 Do. 



Green manuring with peas 

 Do. 

 Do. 



On comparing the present with the past season, it is found that the total yield is very much 

 reduced. The yield is only about one-fourth of the previous season. The average per tree in the 



