(n.) That portion of the soil formed by the decomposition of animal or vegetable matter. It is a valuable constituent of soils.
Example Sentences:
(1) Removal of humus by anionic exchange is a potential process for small waterworks in Norway.
(2) The partition coefficient (Kp) of BaP to the humus content of the water was determined by an equilibrium dialysis technique.
(3) The humus synthesis processes were most active in the wheat and lucerne plots, they were less effective in the fallow and virgin soils.
(4) Naturally occurring humic substances are particular chemical compounds which are found in humus.
(5) The bioaccumulation of benzo[a]pyrene (BaP) into Daphnia magna from two natural humic waters (one lake water and one bog water), and two humus preparations (Nordic Reference fulvic acid (Nordic FA) and a lyophilized concentrate) of the same aquatic origin was measured by using several dissolved organic carbon (DOC) concentrations for each sample.
(6) The application of humus had a positive effect on grain and straw yield of paddy and the yield increased with the increasing concentration of humus.
(7) When bacterial cells were counted daily in humus-gleisolic soil, their number did not depend on time if the soil was incubated for five days.
(8) At present such a custom is very rare owing the chemical pollution of sewage continuously increasing; but in some countries it is still in use, and is our opinion and experience that organic waste material must be reused as fertilizer of land, more and more devoid of humus and subject to erosion of winds and waters.
(9) "Organic" or "organically grown" foods are commonly represented as "food grown without pesticides; grown without artificial fertilizers; grown in soil whose humus content is increased by the additions of organic matter; grown in soil whose mineral content is increased with applications of natural mineral fertilizers; has not been treated with preservatives, hormones, antibiotics etc."
(10) As pH is decreasing, the physical and chemical properties of humus change.
(11) Four PAH compounds, fluorene, anthracene, fluoranthene and benzo(a)pyrene were dissolved in humus poor (lake) and humus rich water.
(12) The rate of biological nitrogen fixation was determined by the acetylene technique in soils and on the roots of orange, mandarin and lemon trees growing in red, yellow, podzolic, alluvial brown forest, and humus-calcareous soils.
(13) In all four samples, an increase in humus concentration decreased the bioavailability of BaP in a logarithmic manner.
(14) His deep commitment to the freedom of the human spirit is reflected in his actions as well as artistic creations.” • This article was amended on 8 September 2016 to clarify that Eno’s music was replaced; the dance piece Humus was not withdrawn entirely.
(15) Chlorinated fluorene, fluoranthene and benzo(a)pyrene were formed during chlorination of PAH polluted lake water, but not during chlorination of the humus rich water samples.
(16) In soils with native organic matter (humus) the rate of sulfate reduction was very low; it slightly increased with increased clay content of the soils.
(17) Root nodulation, growth and yield of gram crop were appreciably increased due to humus application.
(18) The fertilizer content and humus value of such wastes are useful for agricultural purposes, and the recycling of sewage onto the land eliminates many of our stream pollution problems.
(19) From humus obtained from Stuttgart, a bacterium was isolated with lawsone (2-hydroxy-1,4-naphthoquinone) as selective source of carbon.
(20) The maximum nitrogen fixation (48--51 kg N per hectare) was found in red and humus-calcareous soils of orange plantations.
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.