ESPM 131 Lecture Notes - Lecture 14: Soil Chemistry, Soil Fertility, Nitrification
21 Feb 2018
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Top few mm of soil lichens mosses hetero bait. Dry land regions , ind . polar regions to 70% up living ground cover. 0 - l am (smooth shot desert : Cool desert . s - 15 cm (pinnacled) ml. Sand layer , initial cyanobact . al stage + health det . water retention more runoff if aatklistuvbed. Soil fertility fixation (ps) + storage (precipitation) Chemicals protect them from uvatb inch soil surface temp bk turn darker holds hzo sp . replacement capture drives chalk law. Soil stability t erosion mitigation 7 gant glues soil together filamentous orgs wind erosion. 1 velocity needed to initial erosion threshold friction velocity ( tfv ) can take. Des by 10 f rate of process change the qo usually. 2- j rule af thumb - if long enough time. , adaptation occurs the microbial community today not for gtbd s. , mucilage , autolysed cats rhitodepositio respiration - aerobic (02 tea anaerobic ( nos.
