PE EIE[R-Rg RESEARCH ON - HJ Andrews Experimental Forest

Table 6. Total kg per hectare per year for plots 1 and 3 for each element by litter class
Litter class
Plot 1 Plot 3
N P K+ Ca ++ Mg++ N P K + Ca ++ Mg+ +
Needles 7 .93 2 .27 3 .16 35 .89 0 .47 15 .61 3 .82 5 .89 44 .08 0 .6 5
Percent of total 36.12 58 .85 49 .54 50 .22 44 .61 47 .76 68 .20 60 .25 69 .90 59 .7 9
Cones 3 .46 .45 .83 2 .06 2 .13 6 .60 .69 1 .33 2 .05 .1 7
Percent of total 15 .74 11 .59 13 .03 2 .89 20 .31 20 .23 12 .40 13 .63 3 .24 15 .4 6
Branches 1 .97 .16 .74 5 .09 .06 .82 .12 .29 2 .15 .0 2
Percent of total 8 .98 4 .06 11 .56 7 .13 5 .28 2 .50 2 .00 2 .97 3 .40 2 .0 6
Twigs 3 .52 .38 .66 12 .01 .10 3 .54 .34 .75 9 .56 .1 0
Percent of total 16.07 9.86 10 .33 16 .79 9 .50 10 .82 6 .20 7 .67 15 .15 9 .2 7
Bark 1 .62 .11 .07 3 .56 .30 3 .00 .28 .49 3 .18 .0 6
Percent of total 7 .39 3 .17 3.08 4 .97 2 .92 9 .18 5 .00 5 .04 5 .03 5 .1 5
Hardwoods 2 .33 .39 .67 12 .48 .17 .38 .06 .11 1 .51 .0 5
Percent of total 10 .60 9 .17 10 .49 17 .46 16 .06 1 .16 1 .00 1 .14 2 .39 4 .1 2
Moss and lichens 1 .12 .08 .12 .39 .01 2 .73 .28 .90 .54 .0 3
Percent of total 5 .10 2 .11 1 .98 .54 1 .32 8 .35 5 .00 9 .16 .85 3 .0 9
Total 21 .95 3 .86 6 .39 71 .49 1 .07 32 .68 5 .59 9 .77 63 .06 1 .09
Table 7.-Average percent of litterfall totals for plots 1 and 3 for each element by litter class
Litter class N P K + Ca ++ Mg++ Average
Needles 41 .9 63.5 54 .9 60 .1 52 .2 54 .5 2
Cones 18 .0 12 .0 13 .3 3 .1 17 .9 12.8 6
Branches 5 .7 3 .0 7 .3 5 .3 3 .7 5 .0 0
Twigs 13 .4 8 .0 9 .0 16 .0 9 .4 11 .1 6
Bark 8 .3 4 .1 4 .1 5 .0 4 .0 5 .1 0
Hardwoods 5 .9 5 .1 5 .8 9 .9 10 .1 7 .3 6
Moss and lichens 6 .7 3 .6 5 .6 .7 2 .2 3 .7 6
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