Fig. 5From: Amelioration of planting stress by soil amendment with a hydrogel–mycorrhiza mixture for early establishment of beech (Fagus sylvatica L.) seedlingsRelationship between N (milligrams per plant total leaf mass) and EM colonization (percent). Labels in figure indicate duration of air exposure (0, 2, and 6 h) and the presence of soil amended with a hydrogel–EMF mixture (+A)Back to article page