volume 65, issue 4, P415-421 2008
DOI: 10.1590/s0103-90162008000400014
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Abstract: ABSTRACT: Phosphorus dynamics in soil can be modified by the use of no-till systems. Brazilian farmers have applied phosphorus fertilizers onto the soil surface to optimize machine field operations despite the lack of research supporting this practice. An experiment was conducted to study the effects of the application of two P sources onto soil surface and soybean seed furrows. The treatments consisted either of the application or not of 80 kg ha -1 of total P 2 O 5 as natural reactive rock phosphate and sup…

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