Treatment | Trunk injection | Soil fertilized | Control | ||||||
---|---|---|---|---|---|---|---|---|---|
N | P | K | N | P | K | N | P | K | |
Pretreatment | 1.45 | .09 | .75 | 1.43 | .08 | .67 | 1.37 | .07 | .69 |
September 1989 | 1.37 | .11 | .59 | 1.52* | .10 | .55 | 1.34 | .11 | .63 |
June 1990 | 1.63 | .09 | .83 | 1.74 | .10 | .80 | 1.50 | .09 | .72 |
1 Statistically significant from pretreatment values at P = .10