Table 6.-pH and Ammonium Acetate
 Soils.


(pH 4.8) Extractable Nutrients in Soils from Three Pasture Programs on Flatwoods


Year


1966 1967


1968


1969


P, Ib./acre
 13.0 17.2
 13.8 17.6
 13.6 17.4
 13.5 17.4
 K, Ib./acre
 76 76
 70 68
 54 78
 67 74
Ca, lb./acre
1888 2282
1416 1900
1670 2082
1658 2088
Mg, Ib./acre
 154 118
 116 84
 142 120
 137 107


Programs


1965


 1
 2
 3
Avg.

 1
 2
 3
Avg.

 1
 2
 3
Avg.

 1
 2
 3
Avg.


16.6
21.0
13.4
17.0

 64
 62
 56
 61

1808
1474
1492
1591

132
 82
 116
 110


22.8
22.6
14.4
19.9

 72
 62
 58
 64

2246
1698
1816
1920

202
100
156
153


1971


15.6
16.0
12.4
14.7


1902
2276
1850
2009


16.6
17.0
16.0
16.5

104
 94
 88
 95

2422
1504
1880
1935

204
 96
 160
 153


1972


10.0
10.0
.9.6
9.9


1500
1780
1522
1601


1970


17.2
18.2
12.6
16.0

 50
 56
 58
 55

1800
2202
1752
1918

 96
 132
 140
 123