noun

• The porous structure or condition of soil when its particles are moderately aggregated.

  ‘good crumb structure depends on the amounts of clay and organic matter in the soil’

  More example sentences

  • ‘However, even heavy soils and subsoils can drain adequately if they have good crumb structure.’
  • ‘Amongst all kind of structures described above the crumb structure is the most ideal for crops.’
  • ‘It usually has granular or crumb structure, but it has subangular blocky structure in some pedons.’
  • ‘A soil with good crumb structure usually has some clay, some sand and some organic matter.’
  • ‘The crumb structure also allows water to soak into the soil from rain, especially heavy rains.’
  • ‘It has weak subangular blocky to weak granular or crumb structure or it is massive.’
  • ‘The sponginess of the crumb structure is extremely conducive to soil aeration, and to infiltration of water and dissolved nutrients into the soil.’
  • ‘Prairie soil, having a crumb structure of bigger constituent parts, is ‘fluffier’ than agricultural soil, which is another way of saying it's less dense.’
  • ‘Soils which have lost crumb structure need mulch cover to re-build.’