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Description: Field experiments were conducted to measure soil bulk density on a sandy loam and a clay soil under three tillage and two fertilizer management schemes. Measurements were taken of tillage energy input to the soil and bulk density throughout the growing season for two cropping years. Soil bulk density was shown to decrease linearly with increasing of input tillage energy within the range of this study. Based on the field data, soil bulk density was estimated in the tillage zone. The change of soil bulk density with time and depth after tillage varied among the soil, tillage and fertilizer treabnents. The approach shows potential in predicting and describing soil bulk density changes related to tillage practices. However, data from further experiments are required to assess the validity over a wider range of soils and tillage practices.

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Citation: Chen, Y., McKyes, E. and Tessier, S. 1994. Changes of soil bulk density during the growing season under three tillage systems. Canadian Agricultural Engineering 36(1):45-49.
Volume: 36
Issue: 1
Pages -
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Date: 1994
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Type: Text.Article
Format: PDF
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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