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Published online 1 January 2007
Published in Soil Sci Soc Am J 71:56-63 (2007)
DOI: 10.2136/sssaj2006.0162
© 2007 Soil Science Society of America
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Effects of Tillage on Phosphorus Release Potential in a Spanish Vertisol

Concepción Saavedra, Juan Velasco, Purificación Pajuelo, Francisco Perea and Antonio Delgado*

Dep. de Ciencias Agroforestales, EUITA, Univ. de Sevilla, Ctra. Utrera Km 1, 41013 Sevilla, Spain


Figure 1
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  		Fig. 1. Phosphorus desorbed by resins as a function of time for the three tillage treatments: conventional tillage (CT), minimum tillage (MT), and no-till (NT). Error bars indicate standard deviation.

 




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