A Cover Crop Program for Florida Pecan Orchards 29

TABLE 6.-EFFECTS OF COVER CROPS AND SULFATE OF AMMONIA ON SIZE
 AND KERNEL PERCENTAGE OF PECAN NUTS PRODUCED IN 1934.


 Fertilized with superphos- Fertilized with sulfate of
 Nut phate and sulfate of potash ammonia, superphosphate
 Diameters only (A) and sulfate of potash (B)
16th of an in. Percent of crop in Percent Percent of crop in Percent
 each size class kernel each size class kernel


 FROTSCHER
 Plot 1
16 and larger 8.9 49.9 4.9 49.3
15 40.0 48.5 43.2 50.6
14 39.6 50.7 41.0 51.4
13 and smaller 11.5 50.9 10.9 49.9
 Plot 2
16 and larger 8.7 50.1 11.7 50.6
15 36.1 50.1 40.7 51.6
14 43.2 49.8 36.5 50.5
13 and smaller 12.0 51.2 11.1 50.7
 Plot 3
16 and larger 14.9 49.6 38.5 51.6
15 42.5 50.6 37.6 48.8
14 36.2 50.6 23.0 51.6
13 and smaller 6.4 49.4 0.9 49.5
 Plot 4
16 and larger 20.0 50.0 22.3 50.7
15 50.9 49.9 47.1 51.9
14 29.1 50.9 27.3 51.6
13 and smaller 0 ...... 3.3 53.2

 STUART
 Plot 1
16 and larger 4.6 42.6 0
15 44.9 46.4 23.6 47.9
14 46.7 46.9 59.0 47.0
13 and smaller 3.8 42.9 17.4 46.3
 Plot 2
16 and larger 0 ...... 16.8 46.4
15 26.9 43.7 56.5 45.4
14 55.2 47.8 20.5 41.0
13 and smaller 17.9 47.9 6.2 42.0
 Plot 3
16 and larger .... 0 ......
15 69.4 47.7 46.9 46.2
14 24.5 48.6 35.1 45.6
13 and smaller 6.1 46.9 18.0 43.1
 Plot 4
16 and larger 0 ...... 0
15 31.9 44.4 52.6 46.1
14 54.9 47.0 32.4 47.9
13 and smaller 13.2 47.6 15.0 43.4