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Plant response to mechanical resistance and air-filled porosity of soils under conventional and no-tillage system Scientia Agricola
Silva,Alvaro Pires da; Imhoff,Silvia; Kay,Beverley.
Roots may respond to restrictive soil physical conditions and send signals to shoots to control plant growth. Soil mechanical resistance and aeration can be managed to improve the soil physical conditions for plant growth by using different tillage systems. The objective of this study was to quantify the influence of no-tillage and conventional-tillage systems on plant response to soil mechanical resistance and aeration. The study was carried out on a farm, cultivated with corn, with a side-by-side comparison of no-tillage and conventional-tillage systems. Thirty-two paired sampling sites were located along two transects, located one in each treatment. Soil water content, bulk density, and plant growth were measured in each treatment. Based on the soil...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Plant growth; Plant height; Soil physical properties; Tillage system.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162004000400016
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