Total Porosity and Random Roughness of the Interrow Zone as Influenced by Tillage (Classic Reprint) - Tapa dura

Sinopsis

Excerpt from Total Porosity and Random Roughness of the Interrow Zone as Influenced by Tillage

Soil conditions produced by a given tillage implement or combination of tillage implements differ markedly depending on other factors such as soil type, soil moisture content at time of tillage, and cropping history. Tillage practices can, therefore, be more thoroughly analyzed by an assessment of the resulting soil conditions than by description of the tillage Operations only. When it is known what soil conditions are necessary for optimum plant growth and soil and water manage ment, practices can be designed and altered to produce the required soil conditions.

The required soil conditions for corn growth and soil and water management in the Corn Belt have been discussed by Larson (4, 5, For analysis he divided a row-cropped field into two (1) the zone between the rows, the inter row, Where water management is a major concern; and (2) the zone in the row, where soil conditions favorable for germination and early growth are of paramount importance. The two-zone concept permits modification of soil conditions to meet one or more objectives. Depending on the soil management problem, interrow soil conditions may be modified for enhanced infiltration, water conservation, or surface drainage.

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