soil constituents
101sample preparation — ▪ chemistry Introduction in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special …
102William Ewart Gladstone — The Right Honourable William Ewart Gladstone FRS FSS Prime Minister of the United Kingdom …
103Notopterygium incisum — Scientific classification Kingdom: Plantae (unranked): Angiosperms (unranked): Eudicots …
104LIDAR — A FASOR used at the Starfire Optical Range for LIDAR and laser guide star experiments is tuned to the sodium D2a line and used to excite sodium atoms in the upper atmosphere …
105Charcoal — For other uses, see Charcoal (disambiguation). Dry charcoal …
106Mineral matter in plants — Minerals are required by plants as part of their food, to form their structure. The firmness of straw for example, is due to the presence in it of silica, the principal constituent of sand and flints. Potassa, soda, lime, magnesia, and phosphoric …
107Comfrey — For the place, see Comfrey, Minnesota. Russian comfrey Russian comfrey (Symphytum x uplandicum) Scientific classification Kingdom …
108alfalfa — /al fal feuh/, n. a plant, Medicago sativa, of the legume family, usually having bluish purple flowers, originating in the Near East and widely cultivated as a forage crop. Also called lucerne, purple medic. [1835 45; < Sp, var. of alfalfez <… …
109atmosphere — 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… …
110international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
