16 
Analyses of pineapple soils. 

No. 204 No. 205 No. 207 No. 208 
Soil constituents and reaction. (plants (plants (plants (plants 
chlorotic). | chlorotic). | healthy). | healthy). 





Per cent. Per cent. Per cent. Per cent. 
Tnsoluble Matters wa. ces saws coe csice ad eeasarbeerere 86. 60 80. 87 88. 74 77.14 
IPOtaShW(RONie ono. ssteb pacers ern soos breber weer ems . 20 mi! 20 «12 
HANG (CAO). Oh eee ao eee eee ae eee ere eae eee 1.05 -98 .54 Trace. 
Misoniesia (Me@))!. 2.0. Sos tee enasreeneerc-eeeeene Trace. Trace. Trace. -27 
Ferric and aluminic oxids (Fe2O3 and Al,O3)..--...--- 6. 23 10. 23 6.92 13. 84 
Phosphorus pentoxid ((PsO5) seen. --ee ese ee ese aE eee . 04 05 . 06 - 05 
Wolatilemabtere.c 3. 2 tener cerita ence mateecreniase 5.60 7.33 4.71 8.83 
TOtale ae. ea Soo tote ein cemcen cere oeeeceteee 99. 72 99.57 100. 17 100. 25 
Nitrogen (UN) Sae> ccc chet ere cep osccke has eskepeeee sees 2 .14 nile} -19 
MOSHE Le aaeeean te ee others ae Sk. Sen mee mine emma 1.30 2.38 -97 3.15 
Wanbon Gioxidi(COs). 2-5. =... <1 oe . 58 - 63 Trace. - 00 
Calcium carbonate (CaCQOs3) weee 1.32 1.46 Trace. . 00 
Reachon TowitmMUGss She ae ose omen rae pene ae ames Alkaline. | Alkaline. Acid. Acid. 

Mr. Coll y Cuchi, at kilometer 5, has a small patch of about 200 
chlorotic plants. No. 299 was taken from such a patch and No. 296 
from an area of healthy plants about 5 yards distant. The field 
there being higher than the road the plants are not exposed to drain- 
age from its surface. 
In Mr. Hubbard’s plantation, at kilometer 4, there are about 400 
white plants in a hollow below the road. No. 294 is the soil from 
this patch and No. 297 is a sample taken from a patch of healthy. 
green plants 10 yards distant. 
Mr. Gillies’s plantation, at kilometer 3, has about one-tenth acre 
of strongly chlorotic plants in a hollow below the road. Previous 
to planting powdered rock from the road had been thrown on this 
spot. No. 295 is the soil from this bleached spot and No. 298 is 
from a healthy patch of plants 6 yards distant. While in some of 
these cases the plants were exposed to water from the road, in no 
case were the plants suffering from poor drainage. 
Analyses of pineapple soils. 

No. 299 No. 296 No. 294 No. 297 No. 295 No. 298 
Soil constituents and reaction.| (plants (plants (plants (plants (plants (plants 
chlorotic). | healthy). | chlorotic). | healthy). | chlorotic). | healthy). 
Per cent. Per cent. Per cent. Per cent. Per cent. Per cent. 

Insoluble matter........----.- 76. 70 84. 47 75. 43 91. 56 80. 04 77. 62 
Potash (K20).. me .04 - 08 - 06 - 09 08 05 
Lime (CaO) ... 4.18 29 7. 55 25 2. 83 37 
Magnesia (MgO) .. me 05 Trace .14 Trace 10 13 
Ferric _and_ aluminic oxids r 
(Fe2O3 and AloO3)--.-....--- 8.55 8.25 5.39 4.16 8. 45 11. 60 
Phosphorus pentoxid (P20s)-. . 04 - 05 -05 -01 - 04 -05 
Volatile matters. jcoce. ct oe eo 9.98 7.01 11.15 4.03 9.16 9. 73 
otal cseote cose eee ae 99. 54 100.15 99. 77 100. 10 100. 70 99. 55 
NitropeniGN) Ui o..2¢cccceene Bile -16 -15 Sill -14 -20 
MOISHITD Re eter oS. aosee eee 3.35 5.15 3. 60 2. 48 4.13 9. 02 
Carbon dioxid (COg)......-.--- 2.73 - 00 4.70 - 00 1.61 - 00 
Calcium carbonate (CaCQOs3) -. - 6. 21 - 00 10. 70 - 00 3. 66 - 00 
Reaction to litmus........-. -.| Alkaline. Neutral. | Alkaline. | Alkaline. | Alkaline. Neutral. 

[ Bull. 11] 
