No-Till Farming

  • Humberto Blanco-Canqui
  • Rattan Lal


Seedbed refers to “the physical state of the surface soil which affects the germination and emergence of crop seeds,” while tilth is “the physical condition of soil as related to its ease of tillage, fitness as a seedbed, and its impedance to seedling emergence and root penetration.” (SSSA, 2008). The concept of soil tilth is still evolving. Current definitions of soil tilth are somewhat subjective and qualitative because of the highly dynamic nature and complexity of the soil. Soil tilth is the product of complex interactive processes varying over space and time. In this Chapter, soil tilth is defined as the physical condition of a soil described by its complex and dynamic macro- and micro-scale physical, hydrological, thermal, chemical, and biological attributes affecting tillage, seedling emergence, root penetration, and plant growth.


Soil Erosion Crop Residue Cover Crop Soil Compaction Conventional Tillage 
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© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • Humberto Blanco-Canqui
    • 1
  • Rattan Lal
    • 1
  1. 1.Ohio State UniversityColumbusUSA

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