(n.) An instrument for measuring the water that percolates through a certain depth of soil.
Example Sentences:
(1) The urban wasteland ecosystem contained in outdoor lysimeters employed as a model gives valuable information and has considerable value in predicting the ecological fate of industrial chemicals.
(2) The Cs transfer from soil into pasture vegetation was investigated by using a variation of experimental conditions: (I) 67 pots with 7 kg soil from 3 marshy and 1 sandy site in the lower Weser region in Northwest Germany are used in a greenhouse with 134Cs under 8 different experimental procedures for 2 harvests; (II) 3 undisturbed 50 kg lysimeters were observed for 137Cs and 60Co transfer under outdoor conditions for 4 harvests, depth profiles of the activity were determined afterwards; (III) the transfer of the atmospheric fallout 137Cs directly to the vegetation and from soil to vegetation after preventing its direct uptake by plastic covers was determined at 4 locations in the open pasture.
(3) In laboratory scale municipal solid waste lysimeters containing simulated refuse, and seeded with either laboratory or field strains of poliovirus type 1 and echovirus type 7, viruses were not detected in the lysimeter leachate produced over a 4-month period.
(4) In an outdoor lysimeter experiment, 14C residues were found in all parts of wheat plants grown from seeds treated with 14C-HCB.
(5) An experiment using lysimeters suggested that the eggs of Taenia saginata and Ascaris lumbricoides survive for only a short time when applied to pasture in sewage sludge.
(6) The long-term behavior of Tc in soils accidentally contaminated has been studied for 4 y in lysimeters exposed to natural climatic conditions.
(7) The paper presents the results of a 10-year study on waste water purification in forest soil, under conditions of lysimeters and in the field, using pine-, larch- and osier cultures.
(8) Using plants grown in outdoor lysimeters, CR values for 14C-CP3 of 0.7 and 1.3, on a dry-weight basis, were measured for the two soils.
(9) Longer exposures of the same worm species for 131 days in another soil type, in lysimeters under outdoor conditions, did not increase the BCF beyond that reached after 14 days exposure in the artificial soil.
(10) [Carbonyl-14C]methabenzthiazuron (MBT) was applied to growing winter wheat in an outdoor lysimeter.
(11) In addition, viruses were detected in the lysimeter refuse contents after termination of lysimeter operation.
(12) 140 days after application the 0-2.5 cm soil layer was removed from the lysimeter.
(13) These results appeared to be due to virus retention in the lysimeter caused by virus adsorption and virus inactivation.
(14) Lysimeter experiments were conducted to study the leaching of [14C]dichlorprop and [3H]water through different soil columns.
Soil
Definition:
(v. t.) To feed, as cattle or horses, in the barn or an inclosure, with fresh grass or green food cut for them, instead of sending them out to pasture; hence (such food having the effect of purging them), to purge by feeding on green food; as, to soil a horse.
(n.) The upper stratum of the earth; the mold, or that compound substance which furnishes nutriment to plants, or which is particularly adapted to support and nourish them.
(n.) Land; country.
(n.) Dung; faeces; compost; manure; as, night soil.
(v. t.) To enrich with soil or muck; to manure.
(n.) A marshy or miry place to which a hunted boar resorts for refuge; hence, a wet place, stream, or tract of water, sought for by other game, as deer.
(n.) To make dirty or unclean on the surface; to foul; to dirty; to defile; as, to soil a garment with dust.
(n.) To stain or mar, as with infamy or disgrace; to tarnish; to sully.
(v. i.) To become soiled; as, light colors soil sooner than dark ones.
(n.) That which soils or pollutes; a soiled place; spot; stain.
Example Sentences:
(1) The disappearance of the herbicide, Avadex (40% diallate), from five agricultural soils (differing in either pH, carbon content, or nitrogen content), incubated under sterile and non-sterile conditions, was followed for a period of 20 weeks.
(2) The remaining 5 soil samples, obtained from sites that were not in close proximity to lakes, were also negative except for one that contained type B.
(3) One ejaculation followed by daily contact with soiled bedding taken from a male's cage did not increase pregnancy rates.
(4) Fourteen soil bacteriophages active against Rhizobium trifolii W19 have been studied which fall into four structural groups.
(5) Recoveries of these 3 herbicides added to soil, wheat, and barley samples at 0.05, 0.1, 0.5, and 1.0 ppm levels were between 65 and 93%.
(6) The hypothesis was tested that plaque, as a complex soil comprising microorganisms, cell debris, salivary deposits and other ill-defined organic and inorganic components, would be susceptible to removal by a rinse with high detersive action.
(7) While undoubtedly a good understanding of soil microbiology in terms of pedology exists, little is presently known about unsaturated subsoils, and aquifers.
(8) The behavior and effects of atmospheric emissions in soils and plants are discussed.
(9) The first stop in this arid place of poor farms and orchards clinging to the dry soil is Rafah, cut off by the border from its Palestinian counterpart.
(10) Although selenium deficiency in livestock is consequently now rare in Oregon, selenium-deficient soils and attendant selenium deficiency conditions have been reported near the Kesterson Wildlife Refuge in the Northern part of the San Joaquin Valley, California, where, paradoxically, selenium toxicity in wildfowl, nesting near evaporation ponds, occurred and attracted wide attention.
(11) It is now recognized that dwarfism in males is frequent around the Mediterranean, where wheat is the staple of life and has been grown for 4,000 years on the same soil, thereby resulting in the depletion of zinc.
(12) The influence of salt mixtures consisting of Ca(H2PO4)2, trace elements, CaSO4, CaCO3, Na2CO3, NaCl and K2SO4 in different combinations on the nitrifying power, evolution of carbon dioxide and the total number of bacteria was studied in arid soils (sandy and alluvial) and semi-humid ones (chernozem and rendzina).
(13) High concentrations of mercury, cadmium, and lead have also been observed in urban soils.
(14) Two long-term tillage studies on fine-textured, clay loam soils were sampled in July and November 1977 following 2 years of limited rainfall.
(15) Adult Persian lime trees grafted on Citrus macrophylla and C. volkameriana were used, planted on a groundwater-affected red ferrilytic soil in the La Habana Province.
(16) Recent reports incriminating Acanthamoeba, a small free-living amoeba, wide-spread in environmental soils and waters, in acanthamoebic keratitis cases wearing soft contact lenses, drew attention to cleaning solutions for contact lenses.
(17) An enzyme (nitrilase) that converts the herbicide bromoxynil (3,5-dibromo-4-hydroxybenzonitrile) to its metabolite 3,5-dibromo-4-hydroxybenzoic acid was shown to be plasmid encoded in the natural soil isolate Klebsiella ozaenae.
(18) Forty soil samples from different desert localities in Kuwait were surveyed for keratinophilic and geophilic dermatophytic fungi.
(19) The well drained soils of the Suiá--Missu forest are very uniform, deep latosols (oxisols) of very dystrophic nature with pH (in water) between 4.0 and 5.0 (see table 2, p. 203).
(20) To reduce the risks posed by the hazard, the report recommends that a management plan be created to determine the level of soil contamination and for managing excavated soil, and to decommission disused septic tanks to prevent the spread of contamination.