soil drought

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• Soil resilience — refers to the ability of a soil to resist or recover their healthy state in response to destabilising influences this is a subset of a notion of environmental resilience . This overview provides a discussion of soil resilience in the context of… …   Wikipedia

• Drought rhizogenesis — is an adaptive root response to drought stress. New emerging roots are short, swollen, and hairless, capable of retaining turgor pressure and resistant to prolonged desiccation. Upon rewatering, they are capable of quickly forming an absorbing… …   Wikipedia

• Drought in Canada — Average precipitation departures from normal over Canada from autumn 2000 through summer 2002. Precipitation departures are relative to the 1961 90 reference period …   Wikipedia

• Drought in the United States — A farmer and his two sons during a dust storm in Cimarron County, Oklahoma, 1936. Photo: Arthur Rothstein. Drought in the United States is similar to that of other portions of the globe. Below normal precipitation leads to drought, which is… …   Wikipedia

• Drought in the United Kingdom — Droughts in the United Kingdom are a relatively common feature of the weather in the UK, with one around every 5–10 years on average. These droughts are usually confined to summer, when a blocking high causes hot, dry weather for an extended… …   Wikipedia

• Drought — For other uses, see Drought (disambiguation). Fields outside Benambra, Victoria, Australia suffering from drought conditions. A drought (or drouth [archaic]) is an extended period of months or years when a region notes a deficiency in its water… …   Wikipedia

• drought — /drowt/, n. 1. a period of dry weather, esp. a long one that is injurious to crops. 2. an extended shortage: a drought of good writing. 3. Archaic. thirst. Also, drouth /drowth/. [bef. 1000; ME; OE drugath, equiv. to drug (base of dryge DRY) +… …   Universalium

• Drought Research Initiative — The Drought Research Initiative(DRI) was established to better understand the physical characteristics of and processes influencing Canadian Prairie droughts, and to contribute to their better prediction, through a focus on the recent severe… …   Wikipedia

• Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock …   Wikipedia

• Soil biodiversity — This discussion looks at the relationship of the soil to biodiversity, at some aspects of the soil that can be managed in relation to biodiversity, and raises some catchment management considerations.oil and biodiversityBiodiversity is “the… …   Wikipedia

• Keetch-Byram Drought Index — The Keetch Byram Drought Index (KBDI), created by John Keetch and George Byram in 1968 for the United States Department of Agriculture s Forest Service, outlines mathematical models for predicting the likelihood of wildfire based on soil moisture …   Wikipedia