COCOA MANURING IN CEYLON 



73 



The following table gives a comparison of yield during 

 1907 of the various plots at the Ceylon Experiment 

 Station : 



Plot. 



Amonnt of manure applied 

 per acre. 



No. of 



fruits at 300 



trees per 



acre. 



decrease over 



unmanured 



plots. 



Belative 



positloQ of 



manured 



plots. 



3 

 4 

 6 

 6 



7 



8 

 9 

 10 

 94a 

 946 

 95a 

 956 

 96a 



966 



98 



99 



100 



101 



107 



108 



109 

 110 



111 



111 



112-16 

 and 

 119 



Excess of lime 

 10 tons cattle manure . 

 10 cwt. lime, forked . 

 10 cwt. lime, forked 

 200 lb. sulphate of ammo- 

 nia and 556 lb. basio slag 

 6 cwt. Elainit 



5 cwt. bone dust . 

 Unmanured 



107 lb. muriate of potash 

 125 lb. sulphate of potash 

 425 lb. nitrate of soda . 

 896 lb. ground-nut cake 

 141 lb. concentrated super- 

 phosphate 

 163 lb. precipitated phos- 

 phate 



6 cwt. crushed fish 

 4001b. blood meal . 

 833 lb. castor cake 



250 lb. basic slag and 100 

 lb. sulphate of potash 



833 lb. castor cake, 

 260 lb. basic slag and 

 100 lb. sulphate of am- 

 monia 



714 lb. ground-nut cake 

 and 100 lb. sulphate of 

 potash 



114 lb. nitrate of potash 



250 lb. basic slag and 

 buried leaves 



250 lb. sulphate of am- 

 monia 



260 lb. sulphate of am- 

 monia 



I Unmanured, 6 acres . 



271 

 239 

 202 



207 



270 

 267 

 242 

 272 

 326 

 400 

 250 

 398 



374 



274 

 375 

 394 



247 



215 



376 



315 

 342 



337 



337 



295 



334 



5,235 

 6,034 

 4,905 

 1,630 



7,320 

 7,146 

 7,710 

 6,735 

 7,610 

 6,890 

 9,020 

 6,357 



7,101 



7,968 

 4,764 

 4,269 

 6,204 



8,829 



5,451 



6,075 

 6,336 



8,116 



8,115 



11,070 



6,300 



- 1,500 



- 1,701 



- 1,830 

 — 105 



+ 585 

 + 411 

 + 975 



+ 1,210 



-t- 590 



4- 2,720 



-57 



-I- 801 



+ 1,668 



-f 1,636 



- 2,031 



-96 



+ 2,629 



- 849 



— 225 



4- 36 



+ 1,816 

 + 1,816 

 + 4.770 



10 



7 



6 

 9 

 2 



8 

 5 



The same report gives the under-mentioned informa- 

 tion relative to the number of fruits per bushel, the average 

 weight per bushel of fruits and cocoa during various 

 stages of preparation of three different varieties of 

 cocoa : 



