soil core

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• Soil classification — deals with the systematic categorization of soils based on distinguishing characteristics as well as criteria that dictate choices in use. Overview Soil classification is a dynamic subject, from the structure of the system itself, to the… …   Wikipedia

• core — [kôr] n. [ME < OFr cor, prob. < L cor,HEART] 1. the hard, central part of an apple, pear, etc., that contains the seeds 2. the central or innermost part of anything 3. the most important part, as of a matter, discussion, etc.; essence; pith …   English World dictionary

• Core sample — Rock core samples. The product of a Diamond rig. (The bird is a Pied Butcherbird.) A core sample is a cylindrical section of (usually) a naturally occurring substance. Most core samples are obtained by drilling with special drills into the… …   Wikipedia

• 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

• soil mechanics — the branch of civil engineering that deals with the mechanical behavior of soil and similar materials when they are compressed or sheared or when liquids flow through them. * * * Study of soils and their utilization, especially in planning… …   Universalium

• core — /kɔ / (say kaw) noun 1. the central part of a fleshy fruit, containing the seeds. 2. the central, innermost, or most essential part of anything: the core of a curriculum. 3. the section of the body from the hips to the shoulders, especially the… …  

• Core Historical Literature of Agriculture — The Core Historical Literature of Agriculture (CHLA) is the name of both a digital preservation project and the resulting digital library which began at Cornell University s Albert R. Mann Library in 1994. It is notable as an early digital… …   Wikipedia

• core — kɔː n. central part of a fruit (containing the seeds); center, heart; cross sectional sample (of soil, ice, etc.) v. remove the core of a fruit, take out the center section of a fruit …   English contemporary dictionary

• 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

• Pollen core — A pollen core is a core sample of a medium containing a stratigraphic sequence of pollen. Analysis of the type and frequency of the pollen in each layer is used to study changes in climate or land use using regional vegetation as a proxy. This… …   Wikipedia

• Japan Revolutionary Communist League, National Committee (Middle Core Faction) — (革命的共産主義者同盟全国委員会, Kakumeiteki Kyōsanshugisha Dōmei, Zenkoku Iinkai?) was the most powerful Japanese far left revolutionary group, often referred to as Chūkaku ha (中核派 Middle Core Faction). However, in the most recent periods, the league has lost… …   Wikipedia