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respiration of soil

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  • Soil respiration — normally refers to the total CO2 efflux at the soil surface.It comprises a combination of processes:* Biotic processes, which include respiration of the rhizosphere, microbes and fauna * Chemical processes including oxidation of soil minerals,… …   Wikipedia

  • soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… …   Universalium

  • Soil food web — The soil food web is the community of organisms living all or part of their lives in the soil. It describes a complex living system in the soil and how it interacts with the environment, plants, and animals. Introduction Food webs describe the… …   Wikipedia

  • Characterisation of pore space in soil — Soil is essential to most animals on the earth. It is a relatively thin crust where an even smaller portion contains much of the biological activity. Soil consists of three different phases. A solid phase (≈ 20%) that contains mainly minerals of… …   Wikipedia

  • Gley soil — in soil science is a type of hydric soil which exhibits a greenish blue grey soil color due to wetland conditions. On exposure to the air, gley colors are transformed to a mottled pattern of reddish, yellow or orange patches. During gley soil… …   Wikipedia

  • Gas diffusion in soil — The air space in soil contains oxygen to provide for respiration of plant roots and soil organisms. This air space could also contain carbon dioxide as a product of respiration of plant roots and soil organisms.Composition of air in soil and… …   Wikipedia

  • Substrat-induzierte Respiration — Die substrat induzierte Respiration (SIR, englisch: substrat induced respiration) ist eine indirekte Methode zur Bestimmung der mikrobiellen Biomasse in Böden. Sie wurde 1978 von J. P. E. Anderson und K. H. Domsch (Institut für Bodenbiologie der… …   Deutsch Wikipedia

  • Oxygen sensor — Contents 1 Automotive applications 1.1 Function of a lambda probe 1.2 The probe …   Wikipedia

  • atmosphere — atmosphereless, adj. /at meuhs fear /, n., v., atmosphered, atmosphering. n. 1. the gaseous envelope surrounding the earth; the air. 2. this medium at a given place. 3. Astron. the gaseous envelope surrounding a heavenly body. 4. Chem. any… …   Universalium

  • Ecology — For other uses, see Ecology (disambiguation). Ecology …   Wikipedia

  • bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom …   Universalium