TABLE 10.-THE AVERAGE MINERAL CONTENT OF VALENCIA ORANGE LEAVES AND THE DISTRIBUTION
 OF SAMPLES ACCORDING TO THE NUTRITIONAL STANDARDS OF REUTHER AND SMITH (17).


M ean .... ..... ......
R ange .............. ...
Standard Deviation
Coefficient of
 Variation .........


Reuther and Smith
Nutritional Class


Deficient
Low ........
Optimum
High ......
Excess ..


Nitrogen

Percent

 2.96
2.24-3.29
 0.155

 5.24


Phosphorus Potassium

 Percent Percent

 0.133 1.84
 0.104-0.160 1.04-2.77
 0.014 0.333

 10.85 18.10


Nutritional Nutritional
Standard Sample Standard Sample


( ? -2.05)
(2.06-2.35)
(2.36-2.95)
(2.96-3.55)
(3.56- ? )


- I ( ? -0.085)
2 (0.086-0.115)
85 (0.116-0.165)
94 (0.166-0.295)
- (0.296- ?


 6
175
-
_i


Calcium

Percent

 2.99
1.84-4.18
 0.486

 16.25


Nutritional Nutritional
Standard Sample Standard Sample

 No. No.

 (? -0.60) ( ? -1.55) -
 (0.61-1.15) 4 (1.56-2.95) 91
 (1.16-1.75) 67 (2.96-5.55) 90
 (1.76-2.35) 100 (5.56-6.95) -
 (2.36- ? ) 10 (6.96- ? )


Magnesium

 Percent

 0.423
0.228-0.655
 0.080

 18.95


Nutritional
Standard San


( ?
(0.156-
(0.296-
(0.651-
(1.101-


0.155)
0.295)
0.650)
1.100)
 ? )


ple

No.


10

70
1 ?"
 cc













 cc