Dec. 2, 1901.] THE TROPICAL AGRICITLTTTPJST. 
S73 
for deep cultivation, indeed, shallow works ia the 
best. A very fair profit may be niRcle by growing 
cassava, as is shown by the Florida AaricjilturUf. 
That Journal, quoting from the Leeshunj Commercial, 
says — 
While there is no great big money in growing 
cassava, there can be reasonable profit made in 
growing it, and it is not subject to be killed out 
by the frost like some cropa, for it is planted after 
the first frosts are over, and matures before the frost 
comes again. 
The following information on this important sub- 
ject is furnished us by Mr. George E. Pybus, of 
Fruitland Park, who has been growing cassava for 
several years. He estimates the cott of growing 
cassava as follows : — 
Per Acre. 
Ploughing 
Harrowing 
Seed, planted 4 M 4, 2,700 hill=, 
6-iiich pieces, 1,500 feet, at 
12?; cents 
Planting... 
Six cultivations at 35 cents 
Four hoeings at 1 dollar . . 
Fertiliser, 3501b. at 23 dollars 
per ton ,., ... , , 
Digging and hauling, say 1 mile 
Value, f.o.b 
3. -50 = 
0-35 = 
6 0 
1 oh 
1-70 
6 
11. 
1 07 
~ 4 
0 
2-10 
= 8 
5 
'too 
10 
0 
4-00 
= 16 
0 
14-65 
= 58 
8* 
1-25 
= 5 
0 
500 
= 20 
0 
3-75 
= 15 
li 
Net 
Necessary to make, siy, 4 tons 
to p.iy expenses . . . . 14-00 
Leaving a net profit of 3"75 dollars per ton on all 
above 4 ions. Of course, two of the above items, 
cultiv.iting and hoeing, may vary, but to makd a 
success of the crop, i;, must be kept clean until it 
can take care of itself, and he believes liis estimate 
to be a fair one. Notwithst ludiiig the ill-lack which 
attended all who adopted fall planting, in 189'), he 
has jnstfinisbed planting 10 acies, being determined 
to give cassava-growing as a farm crop a fairtria'. 
The resulting oiops with good fertiliseis will 
amount to from G to 3 tons per acre, and the 
digging can be done for about 2s. per ton. The 
cost of hauling will, of course, de[jend on the dis- 
tinoe. On sandy soil it will yield more feed than 
any other crop that can be grown. For feeding 
pig3, horses, cows, and chickens no better crop can 
be grown. It will produce the best of poik and 
bacon ; it will niidce excellent pastry and delicious 
breakfast cakes. — Queensland Jijricullwal Journal. 
COMBATING SAN JOSE SCALE ON 
FRUIT-TEE K.S, 
At the present time San Joso scale is being found 
in many oichavds, and although advice as to the 
best treatment has been given repeatedly in the 
Agncultural Gazette, many growers may have over- 
looked it, and are in doubt as to th i steps to take 
to rid Iheir trees of this extremely destructive pest. 
The sc.ile itself is not unlike red scale in appear- 
ance, and during the winter months when ihe peaches, 
pears, plums, and apples which it chiefly affects 
are bare of leaves, ihe scald may be noticed on 
the wood of the trui^k and branches. When the 
scale is picked off on the point of 'i knife a little 
yellow-colouied mass is seen inside. As the result 
of numerous successful trials the Fruit Expert ia 
able to recommend a painting of pure kerosene for 
smaller trees and spraying with lime, salt, and sulphur 
for larger trees which could not be readily gone 
over with a brush. Before applying the kerosene 
the afTected tree should be pruned, and ihe pruu- 
ings burned. Then the kerosene should be applied 
so aa to wet the tree but not trickle down to tha 
roo s; care to be taken not to miss auv port on 
of the stem or limbs. It does not injure thfl 
Se cuts" ''^''^''^''y or no "eTct 'ca 
ioho^s--'' """^ '"'P'^"'" P^P'^red as 
For„uaa:-L^^.. ... 30 lb. (fresh slacked) 
Salt 15 lb. 
»Vater tjo ''aliens 
Take 10 lb. of' lime and 20 lb" sulnlm.- o,,^ i, -i 
them until throughly dissolved,' t-h:rSd' Je°s 
of the lime and the salt and water to -4ke lo 
The onlv difficulty lik-^Iv to b= exp.^r.V-r.crrl 
making up this mixture is in genijie" ■ V-i ' 
thoroughly' incornorated. To do thi "-^ '' ' 
timious boiling, with coastanr, stirring';^ uni^ ""^C 
iquid IS ot a deep yellow colour. (f i 
the sulphur should be first ground uu wit' = '7. 
quantity of water into a paste, in he Ame T ' 
that mustard is made, so that the grains of ?/ 
phur may be throughly wetted. Thh y^m frc^l] 
hasten the process, and if as much as io^llf 
sulphur is to be used, this may be Sund ulWn^ 
is made at a time, aa ordL Jy enamel ed "^rp^'^'^ 
ibLrjft^!-e:^s^£r^5r 
oi^^.m may be used. Onr^cc^ nf ^sf^^ 
The actual manner in which the in Tedif.., ^ • 
aOu.a does not matter, it will ?,^„nl V'". ^'''^ 
slack the lime on a board hi preference t =,^ ?° 
i..g It in the vessels. Hot water is . 
for slacking it. neces.sary 
The main point is that the lime n,-,^ . ■ 
should be well mixed and thorough Iv boifed to"?i"'"^ 
The action of this spray is to smothp, ' 
stroy the scale and e^as fsnm^ ? '""^ 
bark'of the trunk a.id'mai^ TrLK'tvith""', *V 
before spraying them with this wash " 
al'sirtfo^r^rSt :S^noti^'"^"?-'-- of 
worth whUe^ giving all 'd^Jidtrot^l'rets'i n th"^^^^ 
chard a spraying with it immedia elV "ftj^-^ T 
annual pi.uning.-^,,.«,,,.«, ^a^ette ^} i^J^.c^S 
MANURE FOR TOMATOES. 
The Chemist, at the request of spvpv»i < 
growers in the Minmi dibtrict ha= T ,'°™'^to- 
following information as to the best ^''''^'^ the 
tilising tomato and cucumber crons wi h^t ' 
manures :-■ ^i'" '''7 and liquid 
A 1.3 tomatoes. 
A complete dressing for an acre would be_ 
Sulphate cf ammonia... - 160 1b 
Superphosphate „.25u Ih' " '■'^ ^ 
Sulphate of potash ... '.'.150 ib" 1 '''q ^ 
Total. ••• ...5l^or5cwt.l~n 
^'or Cucumbers. ^ 
Costing about. 
Dried blood s. d. 
Superphosphate ' f,,- \,- « 1-' 0 
Sulphate of potash " 7- P' ^ 1^) 0 
■ • 0 10 0 
Total . ~~r ■ ^ ■ 
This quantity will be rather m Jh't ^" ^ 
exact amount bein^ 41. ewe „ 1 • u acre, the 
about Al lOs. per acre " " copje to 
