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词汇 loam
释义

Definition of loam in English:

loam

noun ləʊmloʊm
mass noun
  • 1A fertile soil of clay and sand containing humus.

    肥土

    Example sentencesExamples
    • The soil is a silty clay loam and located in the Finger Lakes.
    • Lodes of ore and inches of fertile loam have little bearing on a nation's prosperity and influence anymore.
    • The north side has some very good silty clay loam, while the southwest corner is very sandy.
    • The soil of all stands was a readily erodible silty or sandy loam underlain by a reddish sand and clay.
    • As good a soil as any is one composed of garden loam, sand, and well-rotted (never new) cow manure in equal parts.
    • The soil is a silty clay loam with 3.1% organic matter.
    • Most soils are a mixture of clay, sand, and loam.
    • The species occurs on sand, clay and loam, among low open woodland and in shrubland.
    • This tough plant will grow in exposed or sheltered aspects and in acid, alkaline or neutral soil of chalk, clay, sand or loam as long as it doesn't get waterlogged.
    • At eight sites the soil texture was loam or light clay.
    • The preferred soil is coarse to fine, preferably hard, compact clay or silty clay loam.
    • But for farmers intending to grow soyabeans, it advisable to grow the crop on clay loam and sandy loam, which are the best soils for the plant.
    • Good soil structure is one that is equally balanced between sand, clay and loam.
    • Fortunately, too, within forty miles we have a wide variety of soils and landscapes - sands, pines, loam, oaks, prairie.
    • Heavy loam and clay soils especially benefit from this treatment.
    • They prefer well-drained soil - either fine sandy clay or heavy loam that is slightly acid to neutral - but will grow in almost any soil so long as it's not too wet or acidic.
    • In the morning, Michael and I dumped five-gallon buckets full of compost, forest loam, sand, and leaf mold onto the root cellar's cold cement floor.
    • Crabro advena nests in soils ranging from coarse sand and loamy fine sand to silty loam and gravelly loam.
    • A soil mixture composed of about 2 parts fertile loam, 1 part leaf mold or peat, and 1 part sand or perlite is recommended for growing African violets.
    • Most need full sun and fertile, well-drained sandy loam with a neutral pH and abundant organic matter.
    Synonyms
    earth, sod, ground, dirt, clay, turf, topsoil, mould, humus, marl, dust
    1. 1.1Geology A soil with roughly equal proportions of sand, silt, and clay.
      〔地质〕(沙、盐、陶含量基本相同的)壤土
      Example sentencesExamples
      • The soil at the experimental site is a Butler silt loam (fine, montmorillonitic, mesic Abruptic Agriaquoll).
      • Camp Nelson and High Bridge were dry woodlands in silty clay on steep, south-facing, gorge slopes, but Scotts Grove was a mesie woodland on level silt loam.
      • The Wellston series typically occurs on steep slopes with a shallow, acidic A horizon, while the Grantsburg silt loam typically occurs in long, narrow areas bordering or on ridgetops.
      • It can be seen from Table 3 that TF values for agricultural plants are normally within the range of 0.001-1 for mineral soils with textures of loam or clay.
      • Liddell silt loam is classified as a coarse-silty, siliceous, subactive, acid, thermic typic endoaquept.
      Synonyms
      soil, topsoil, clay, silt, dirt, sod, clod, turf
    2. 1.2 A paste of clay and water with sand, chopped straw, etc., used in making bricks and plastering walls.
      (陶,水,沙和碎草混合成的)烂砂(造砖、墙用)
      Example sentencesExamples
      • Similarly, the 1904 workmen set molds of brick and loam around plaster casts.
      • The walls of loam and natural stones are in the Tibetan building tradition, while the woodwork of the columns, facades and walls is Kashmiri.

Derivatives

  • loaminess

  • nounˈləʊmɪnəsˈloʊminəs
  • loamy

  • adjectiveloamier, loamiest ˈləʊmiˈloʊmi
    • Denoting or relating to a fertile soil of clay and sand containing humus.

      肥土

      walnut trees prefer moist, well-drained loamy soil
      Example sentencesExamples
      • soil having a loamy texture is the healthiest
      • The fertile soil is fine-textured, alluvial, loamy and free from boulders.
      • The addition of a high quality, loamy topsoil will improve the ability of many soils to support vigorous tree growth.
      • Parts of the range are covered with glacial till and stratified drift deposits as well as wind-deposited fine, loamy sand.

Origin

Old English lām 'clay', of West Germanic origin: related to Dutch leem and German Lehm, also to lime1.

Rhymes

brome, chrome, comb, Crome, dome, foam, gnome, holm, Holme, hom, home, Jerome, Nome, ohm, om, roam, Rome, tome

Definition of loam in US English:

loam

nounloʊmlōm
  • 1A fertile soil of clay and sand containing humus.

    肥土

    Example sentencesExamples
    • Most need full sun and fertile, well-drained sandy loam with a neutral pH and abundant organic matter.
    • As good a soil as any is one composed of garden loam, sand, and well-rotted (never new) cow manure in equal parts.
    • But for farmers intending to grow soyabeans, it advisable to grow the crop on clay loam and sandy loam, which are the best soils for the plant.
    • Fortunately, too, within forty miles we have a wide variety of soils and landscapes - sands, pines, loam, oaks, prairie.
    • Good soil structure is one that is equally balanced between sand, clay and loam.
    • A soil mixture composed of about 2 parts fertile loam, 1 part leaf mold or peat, and 1 part sand or perlite is recommended for growing African violets.
    • Lodes of ore and inches of fertile loam have little bearing on a nation's prosperity and influence anymore.
    • Most soils are a mixture of clay, sand, and loam.
    • The north side has some very good silty clay loam, while the southwest corner is very sandy.
    • The soil of all stands was a readily erodible silty or sandy loam underlain by a reddish sand and clay.
    • The soil is a silty clay loam with 3.1% organic matter.
    • This tough plant will grow in exposed or sheltered aspects and in acid, alkaline or neutral soil of chalk, clay, sand or loam as long as it doesn't get waterlogged.
    • Heavy loam and clay soils especially benefit from this treatment.
    • At eight sites the soil texture was loam or light clay.
    • The preferred soil is coarse to fine, preferably hard, compact clay or silty clay loam.
    • In the morning, Michael and I dumped five-gallon buckets full of compost, forest loam, sand, and leaf mold onto the root cellar's cold cement floor.
    • The soil is a silty clay loam and located in the Finger Lakes.
    • The species occurs on sand, clay and loam, among low open woodland and in shrubland.
    • Crabro advena nests in soils ranging from coarse sand and loamy fine sand to silty loam and gravelly loam.
    • They prefer well-drained soil - either fine sandy clay or heavy loam that is slightly acid to neutral - but will grow in almost any soil so long as it's not too wet or acidic.
    Synonyms
    earth, sod, ground, dirt, clay, turf, topsoil, mould, humus, marl, dust
    1. 1.1Geology A soil with roughly equal proportions of sand, silt, and clay.
      〔地质〕(沙、盐、陶含量基本相同的)壤土
      Example sentencesExamples
      • The soil at the experimental site is a Butler silt loam (fine, montmorillonitic, mesic Abruptic Agriaquoll).
      • Camp Nelson and High Bridge were dry woodlands in silty clay on steep, south-facing, gorge slopes, but Scotts Grove was a mesie woodland on level silt loam.
      • Liddell silt loam is classified as a coarse-silty, siliceous, subactive, acid, thermic typic endoaquept.
      • It can be seen from Table 3 that TF values for agricultural plants are normally within the range of 0.001-1 for mineral soils with textures of loam or clay.
      • The Wellston series typically occurs on steep slopes with a shallow, acidic A horizon, while the Grantsburg silt loam typically occurs in long, narrow areas bordering or on ridgetops.
      Synonyms
      soil, topsoil, clay, silt, dirt, sod, clod, turf
    2. 1.2 A paste of clay and water with sand, chopped straw, etc., used in making bricks and plastering walls.
      (陶,水,沙和碎草混合成的)烂砂(造砖、墙用)
      Example sentencesExamples
      • The walls of loam and natural stones are in the Tibetan building tradition, while the woodwork of the columns, facades and walls is Kashmiri.
      • Similarly, the 1904 workmen set molds of brick and loam around plaster casts.

Origin

Old English lām ‘clay’, of West Germanic origin: related to Dutch leem and German Lehm, also to lime.

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