-4-


Table 5. Percent protein nitrogen of.various parts of celery harvested at three
 stages of maturity.

Estimated Outer Heart .Stem
Maturity petioles petioles. tissue

 Experiment 1

1 week before .940 1.63 1.64
optimum .814 1.65 1.54
1 week after .820 1.55 1.43

Significance ** ** **

 Experiment 2

1 week before .830 1.79 1.58
optimum .780 1.74 1.62
1 week after .694 1,72 1.57

Significance ** ** **



Table 6. Percent phosphorus of various parts of celery harvested at three
 stages of maturity.

Estimated Outer Heart Stem
maturity petioles petioles tissue

 Experiment 1

1 week before .529 .638 .858
optimum .522 .615 .780
1 week after .525 .597 .708

Significance NS ** **

 Experiment 2

 1 week before .603 .653 .909
 optimum .575 .630 .886
 1 week after .556 .609 .838

 Significance ** ** **