Responses of <i>Phaseolus calcaltus</i> to lime and biochar application in an acid soil.

In an acid soil, nodulation and N content of white clover increased significantly with increasing lime applications, whereas Al contents of shoots and roots decreased with increasing lime rates, and there was a highly significant negative correlation between relative yield and Al content of white clover tops ( Haynes & Ludecke, 1981 ).

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