CITRIC-SOLUBLE PHOSPHORIC ACID AND POTASH. 
11 
Table VII. — Relative green weights of wheat plants grown for a period of three 
weeks in Hagerstown loam untreated and treated ivith various quantities 
of potassic and phosphatic fertilizers. 
Treatment. 
Application per acre. 
Relative 
green 
weights. 
Average. 
K 2 0. 
P2O5. 
( Ihecfc 
Pounds. 
Pounds. 
100 
101 
107 
106 
122 
129 
130 
101 
102 
101 
111 
116 
136 
100 
Slag (33SB) 
50 
100 
200 
50 
100 
200 
60 
120 
240 
\ 105 
J 
1 
Do 
Do 
Do 
I 127 
Do 
j 
Acid phosphate*. 
60 
120 
240 
60 
120 
240 
) 
Do 
i 101 
Do 
j 
50 
100 
200 
) 
Do 
I 121 
Do 
j 
Table VIII. — Relative green weights of wheat plant grown for a period of three 
weeks in Volusia silt loam, untreated and treated with various quantities of 
potassic and phosphatic fertilizers. 
Treatment. 
Application per acre. 
Relative 
green 
weights. 
Average. 
K 2 0. 
P2O5. 
Checfc 
Pounds. 
Pounds. 
100 
113 
114 
109 
124 
117 
107 
109 
113 
128 
116 
119 
109 
100 
Blag (33SI3 1 
50 
100 
200 
50 
100 
200 
60 
120 
240 
1 
Do 
\ 112 
Do 
| 
Do 
( 116 
Da 
Acid phospha? e 
60 
120 
240 
60 
120 
240* 
Do 
[ 117 
Do 
j 
Potassium sulphate and acid phosuhate 
50 
100 
200 
l 
Do 
I 115 
Do 
Table IX. — Relative green weights of wheat plants grown for a period of three 
weeks in limed Volusia silt loam, untreated and treated with various quanti- 
ties of potassic and phosphatic fertilizers. 
Treatment. 
Application per acre. 
Relative 
green 
weights . 
Average. 
K 2 0. 
P2O5. 
Check 
Poufnds. 
Pounds. 
100 
104 
110 
135 
99 
142 
100 
129 
124 
116 
110 
118 
103 
100 
Slag (33SB) 
50 
100 
200 
50 
100 
200 
60 
120 
240 
) 
Do 
\ 116 
Do 
Potassium sulphate 
| 
Do 
[ 114 
Do 
j 
Acid phosphate 
60 
120 
240 
60 
120 
240 
) 
Do 
I 123 
Do 
J 
Potassium sulphate and acid phosphate. . . 
50 
100 
200 
i 
Do 
I 110 
Do 
