Abstract
ABSTRACT Asimple, low-cost non-recording seed row roughness meter is described to assist in characterizing the soil disturbance caused by furrow opener and firming wheel combinations. Soil surface profiles collected in the field with this roughness meter can quickly be traced on paper and later digitized in the laboratory using a camera imaging system. The soil disturbance caused by four different zero-till seeders was quantified by the seed row roughness coefficient, height, and width of the seed row and inter-row zones. AppHcations of the measurement of seed row roughness coefficient vary from selection of conservation and zero-tillage implements, to the better interpretation of soil moisture and temperature regimes in seed rows of differing geometric dimensions.
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