to increase grain yields
111Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
112Agriculture in the United Kingdom — A combine harvester in Scotland Agriculture in the United Kingdom uses around 71% of the country s land area and contributes about 0.6% of its gross value added. The UK produces less than 60% of the food it eats and the industry s share of the… …
113Crop rotation — Fallow redirects here. For other uses, see Fallow (disambiguation). Satellite image of circular crop fields in late June 2001. Healthy, growing crops are green. Corn would be growing into leafy stalks by then. Sorghum, which resembles corn, grows …
114Futures contract — Financial markets Public market Exchange Securities Bond market Fixed income Corporate bond Government bond Municipal bond …
115Issues in American Commodity Farming — Importance of Industrial Agriculture Industrial agriculture could easily be considered one of America’s greatest success stories. Without it, it would be much more difficult to provide the relatively inexpensive food that our nation relies on.… …
116soil — 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… …
117Sweden — /sweed n/, n. a kingdom in N Europe, in the E part of the Scandinavian Peninsula. 8,946,193; 173,732 sq. mi. (449,964 sq. km). Cap.: Stockholm. Swedish, Sverige. * * * Sweden Introduction Sweden Background: A military power during the 17th… …
118dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …
119Vegetable oil economy — is the potential of vegetable oil to replace fossil fuels in the economy and how it compares to other potential replacements. Vegetable oils are the basis of biodiesel, which can be used like conventional diesel. Some vegetable oil blends are… …
120rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …
