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- Cotton (7876 bytes)
9: ...ton in [[Mexico|Mexican]] caves (cotton cloth and fragments of fiber interwoven with [[feather]]s and ...
11: ...tton: "There are trees which grow wild there, the fruit of which is a [[wool]] exceeding in beauty and...
13: ...n, familiar only with [[animal]] fibers ([[wool]] from [[sheep]]), could only imagine that cotton must...
15: ...as cultivated throughout the warmer regions in [[Africa]], [[Eurasia]] and [[the Americas]].
17: ...ing Jenny]] ([[1764]]) and Arkwright's [[spinning frame]] ([[1769]]) enabled cheap mass-production of ... - Agriculture (19147 bytes)
11: ...ere, which consists of obtaining financial income from the cultivation of land to yield [[produce]], t...
15: ...ol]], [[hemp]], and [[flax]]), fuels ([[methane]] from [[biomass]], [[biodiesel]]) and both legal and ...
21: ... concerns, such as the application of fertilizer, insecticides (see [[Pest control]]), and fungicides, soil mak...
25: ...ties also influenced by science. Methods of quick-freezing and dehydration have increased the markets ...
32: ... cost, however, of large amounts of energy input, from unsustainable, mostly [[fossil fuel]], sources. - Carnivorous plant (44834 bytes)
29: ...e leaves are quite clearly evolutionarily derived from a simple
46: rolled-leaf tube, and protects it from rain. Possibly because of this improved
52: pitted with areolae, which are [[chlorophyll]]-free patches through which light can penetrate.
54: ...once inside, tire themselves out trying to escape from these false
63: that project from the base of the operculum over the entrance to ... - Mosquito (10897 bytes)
15: .... The females of most mosquito species suck blood from other animals. Size varies but is rarely greate...
25: ... blood to get the necessary protein. Males differ from females, with mouth parts not suitable for bloo...
58: ...n the third world are: [[klamboe|mosquito net]]s, insecticide-laced mosquito nets, and DDT. Plain mosquito nets...
62: ... since computer speakers aren't designed for high frequency sounds (15-20 KHz range) - Arsenic (12497 bytes)
140: ...nds are used as [[pesticides]], [[herbicide]]s, [[insecticide]]s and various [[alloy]]s.
146: ...nto the [[20th century]], as a [[pesticide]] on [[fruit tree]]s (resulting in neurological damage to t...
148: ... ingestion - directly or indirectly - of wood ash from CCA timber (the lethal human dose is approximat...
155: * Various [[agriculture|agricultural]] insecticides and poisons.
161: ...nic poisoning]] were somewhat ill-defined, it was frequently used for [[murder]] until the advent of t... - Boron (9084 bytes)
44: ...conductor in room temperatures. It is never found free in nature.
49: ... of this element include the transmittance of [[infrared]] light. At standard temperatures boron is a ...
59: ...d in [[textile]] products. It is also used as an insecticide.
71: ...common salts. Borax glazes were used in [[China]] from 300 AD, and boron compounds were used in glassm...
78: Economically important sources are from the [[ore]] rasorite (kernite) and tincal (bora... - Chlorine (10751 bytes)
39: '''Chlorine''' (from the [[Greek language]] ''Chloros'', meaning "pa...
44: ... [[salt]]-forming halogen series and is extracted from chlorides through [[oxidation]] and more common...
50: ...to kill [[bacterium|bacteria]] and other microbes from [[drinking water]] supplies and [[swimming pool...
51: ...roduct production, antiseptic, dyestuffs, food, [[insecticide]]s, paints, petroleum products, plastics, medicin...
73: ...Chlorine has 9 isotopes with mass numbers ranging from 32 to 40. Only three of these isotopes occur na... - Fluorine (8588 bytes)
34: '''Fluorine''' (from L. ''fluere'', meaning "to flow"), is the [[che...
45: ... such as [[Teflon]], and in [[halon]]s such as [[Freon]]. Other uses:
49: ...luorine is used in the production of [[uranium]] (from the hexafluoride) and in more than 100 differen...
50: ...ed extensively in [[air conditioning]] and in [[refrigeration]]. [[Chlorofluorocarbon]]s have been ban...
52: * [[Sodium fluoride]] has been used as an insecticide, especially against cockroaches. - Sulfur (18059 bytes)
45: ...also widely used in [[gunpowder]], [[match]]es, [[insecticide]]s and [[fungicide]]s.
48: ...olid. Although sulfur is infamous for its smell - frequently compared to rotten eggs - the odor is act...
50: ...trope]]s besides S<sub>8</sub>. Removing one atom from the crown gives S<sub>7</sub>, which is respons...
59: ...r]] and as a preservative in [[wine]] and dried [[fruit]]. Because of its flammable nature, sulfur als...
62: ...]]-like process. Sulfur is absorbed by [[plant]]s from soil as the [[sulfate]] [[ion]]. Inorganic sul... - Hedgehog (8006 bytes)
17: ...' found through parts of [[Europe]], [[Asia]], [[Africa]], and [[New Zealand]]. There are no hedgehog...
19: ...ills of a [[porcupine]], cannot easily be removed from the animal.
25: ... lick and bite the source and then form a scented froth in its mouth and paste it on its quills with i...
39: ... European Hedgehog, and thus is sometimes called African Pygmy Hedgehog. Other species kept as pets ar...
47: ...A single hedgehog can keep an average garden pest free by eating up to 200 grams of insects each night... - Coriander (6994 bytes)
17: ...isine. All parts of the plant are edible, but the fresh leaves and the dried seeds are the most common...
20: ...(which we have largely forgotten in this age of [[insecticide]]s).
24: ...arsley'''. The leaves have a very different taste from the seeds, similar to [[parsley]] but "juicier"...
26: The fresh leaves are an essential ingredient in many Asi...
28: ...t coriander leaves only in dishes that originated from foreign cuisines. - Cucumber (3437 bytes)
16: ...lant has large leaves that form a canopy over the fruit. The vine is grown on the ground or on trellis...
18: ...ts of nutrients. Pickles are more nutritious than fresh cucumbers because of the ingredients, especial...
22: ...and 5 cm in diameter. Cucumbers grown to be eaten fresh (called ''slicers'') and those intended for [[...
24: ... pollination include fruit abortion and misshapen fruit.
26: ... number of beehives per unit area is increased. [[Insecticide]] applications for insect pests must be done very... - Tobacco (28162 bytes)
14: ... whose roots are unclear; it is thought to derive from the [[Native American]] word "tabago," for a Y-...
16: ...t of concentrated forms of the compound used as [[insecticide]]s. Other active alkaloids in Tobacco include [[...
26: ...e Americans]], and also soon led to the use of [[African slaves]] for cheap labor.
28: ... the colony's first black slaves as well as women from England in [[1619]].
39: ...ed with branches to protect the young plants from frost damage. These plants were left to grow until a... - Bed Bugs (6348 bytes)
33: ...tocimex boueti'', found in the tropics of [[West Africa]] and [[South America]], which infests bats an...
49: ...] and [[1950s|'50s]], bedbugs all but disappeared from [[North America]] in the mid-twentieth century....
57: ...d for bedbugs (bedbugs are readily susceptible to insecticides) Clothing and bedding items should be washed wit...
59: ...e of insecticides. It may not be advisable to use insecticides on a mattress particularly if a child sleeps on ...
61: ... carpet tape) around the circumference of the bed frame legs. - Gypsy Moths (23610 bytes)
27: ...ost hardwood trees. Larvae emerge from egg masses from early spring through mid-May.
29: ...ople transport gypsy moth eggs thousands of miles from infested areas on cars and recreational vehicle...
33: ... in the leaves. The second and third instars feed from the outer edge of the leaf toward the center.
39: ...arvae change into adults or moths. Pupation lasts from 7 to 14 days. When population numbers are spars...
47: ...ntroduced into the United States in [[1868]] by a French scientist, [[Leopold Trouvelot]], living in [... - Mosquitoes (10897 bytes)
15: .... The females of most mosquito species suck blood from other animals. Size varies but is rarely greate...
25: ... blood to get the necessary protein. Males differ from females, with mouth parts not suitable for bloo...
58: ...n the third world are: [[klamboe|mosquito net]]s, insecticide-laced mosquito nets, and DDT. Plain mosquito nets...
62: ... since computer speakers aren't designed for high frequency sounds (15-20 KHz range) - Pest control (3130 bytes)
3: ...rops from competing species of plants, as well as from [[herbivore]]s competing with humans. This can ...
9: ...ns with locking lids, which deterred the raccoons from visiting. House flies tend to accumulate wherev...
13: ...0th century]], the discovery of several synthetic insecticides, such as [[DDT]], and [[herbicide]]s boosted thi... - Organic farming (38858 bytes)
8: * protection of the soil (from [[erosion]], nutrient depletion, structural bre...
14: ...with producing fresh products - [[vegetable]]s, [[fruit]]s, [[meat]], [[dairy]], [[egg (food)|egg]]s -...
55: ...and addressed separately. Problems that may arise from one action (e.g. too much nitrogen left in the ...
59: ... increase in the pest population. Repeated use of insecticides and [[herbicides]] and other [[pesticide]]s also...
67: ... rotation|rotating crops]] to different locations from year to year to interrupt pest reproduction cyc...
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