Summary
Laboratory incubation experiments were conducted with three clay loam lowland rice soils (Haplustalf) to study the effect of application of three different levels of Cu(0, 1.25, 2.5 ppm) and Mn (0, 10, 20 ppm) in all possible combinations on the changes in the DTPA extractable Zn, Cu, F, Mn and Brays 2 extractable P in soil. The results showed that application of Cu decreased the content of extractable Zn, Fe, Mn and P in soils, the rate of decrease gradually declining with the progress of incubation period. Application of Mn also depressed the content of extractable Cu, Fe and P but increased that of extractable Zn.
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Haldar, M., Mandal, L.N. Cu x Mn interaction and the availability of Zn, Cu, Fe, Mn and P in waterlogged rice soils. Plant Soil 69, 131–134 (1982). https://doi.org/10.1007/BF02185713
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DOI: https://doi.org/10.1007/BF02185713