TABLE 1.-RANGES IN MINERAL COMPOSITION OF EDIBLE PORTIONS OF COMMERCIALLY GROWN FLORIDA VEGETABLES.-(Continued).

 Average Pounds i
 Primary Percentage Composition of Crops on Moisture-Free Basis
 No. of Nutrients
 Area Sam- Applied per I
 ples Acre Protein Calcium Magnesium Potassium Phosphorus Iron
 N IP=Ol KeO Min. Max. |Mean Min. IMax. Mean Min. 1 Max.] Mean Min. I Max. Mean Min. 1 Max. [ Mean I Min. I Max. Mean
 Celery Stalks

Belle Glade ........ 10 20 161 402 12.8 21.3 17.0 1.10 2.71 1.56 0.18 0.30 0.23 5.60 9.82 8.47 0.34 0.64 0.51 .0016 .0039 .0026
Sanford ................ 9 320 319 507 12.8 17.4 14.8 1.06 1.94 1.42 0.13 0.32 0.19 5.62 7.10 6.23 0.44 0.73 0.56 .0013 .0028 .0021
Sarasota .............. 8 361 252 528 13.8 18.9 17.1 0.48 1.13 0.77 0.17 0.25 0.21 5.63 7.42 6.42 0.56 0.84 0.71 .0019 .0026 .0023
All samples........ 27 12.8 21.3 16.3 0.48 2.71 1.21 0.13 0.32 0.22 5.60 9.82 7.04 0.34 0.84 0.59 .0013 .0039 .0025
Statistical Sig-
 nificance ........ ..... .01 ...... .01 .01 ........

 Tomatoes

Homestead .......... 7 83 140 101 17.2 20.8 19.3 0.16 0.22 0.20 0.14 0.19 0.16 4.15 4.80 4.49 0.42 0.57 0.48 .0037 .0055 .0047
(Rockdale soils)
Homestead .......... 9 99 190 152 15.3 24.6 18.9 0.17 0.25 0.21 0.13 0.19 0.16 4.33 5.72 4.92 0.46 0.59 0.53 .0034 .0046 .0039
(Marl soils)
Fort Myers ........ 11 121 218 214 12.8 23.6 16.9 0.07 0.15 0.12 0.13 0.21 0.17 3.75 5.01 4.35 0.50 0.79 0.65 .0032 .0059 .0043
Fort Pierce ........ 8 149. 283 281 16.8 30.4 23.3 0.08 0.16 0.12 0.12 0.19 0.16 3.63 5.29 4.46 0.56 1.05 0.74 .0036 .0058 .0048
Collier County .... 8 118 201 290 15.7 27.6 21.8 0.10 0.19 0.15 0.13 0.22 0.16 3.53 5.02 4.24 0.29 0.57 0.42 .0032 .0058 .0044
All samples ........ 43 12.8 30.4 20.0 0.07 0.25 0.16 0.12 0.22 0.16 3.53 5.29 4.48 0.29 1.05 0.56 .0032 .0058 .0044
Statistical Sig-
 nificance ........ .01 .01 ...... .05 .01 .

 Collards Leaves

Quincy ............ 11 29.0 38.4 35.3 1.49 2.74 2.01 0.30 0.65 0.41 2.42 3.73 3.17 0.37 0.65 0.55 .0083 .0113 .0094

 Collards Leaf Petioles

Quincy ............ 11 17.3 42.1 25.7 0.62 1.71 1.08 0.20 0.45 0.32 4.13 5.74 4.91 0.31 I 0.58 0.41 .0021 .0041 .0030