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Average Crown Holght <br />sy IrrlgaNOn. Soil Type, antl Weotling <br />•WNaM <br />r„0 ^Vrvweease <br />f <br />fW f <br />I <br />70 ~ <br />Y1 <br />t I <br />M ~ <br />L <br />r~,. .r <br />rrryunm in~lm~nt <br />Figure 10a. Crown height growth of aspen trees on irrigated plots, roto-cleared/fresh or <br />dozer-clearedlstored soils, weeded or un-weeded. Irrigation levels were 0.65, 0.3, 0.15. <br />or 0.0 gal/day/tree for the high. medium, low, and control <br />Avorage Crown HoigM <br />Natural anA Pot1o0 $toCk <br />c'. <br />tiNr•MW <br />^ur vtoooa <br />t70 <br />100 <br />y 1 <br />g <br />Z ~A: <br />6 <br />d m <br />t0 <br />70 I ; x <br />0 <br />~,i ,.. .. r~ r.,' a.. ~ ~ ...:rnp rv~m <br />Figure tOb. Crown height of potted aspen and natural aspen sprouts on roto- <br />cleared/fresh and dozer-clearedlstored soils, weeded and un-weeded. Potted plants <br />had a small piece of weed fabric around each plant. so they are plotted here as <br />weeded. There were no un-weeded potted plants. <br />34 <br />