Effect of liming, Gafsa rock phosphate and triple superphosphate in early growth and phosphorus uptake in Eucalyptus dunnii
DOI:
https://doi.org/10.4336/2011.pfb.31.68.355Keywords:
Phosphorus sources, Liming, Soil fertilityAbstract
The effect of combined application of lime, phosphorus sources and forms of application of the phosphorus sources on growth and P uptake of Eucalyptus dunnii have been studied in pots. The treatments consisted of two levels of liming (C0, C1 lime to raise to pH 5.5 in water by pH SMP method), two phosphorus sources (triple superphosphate and Gafsa rock phosphate) and two forms of application of phosphorus sources (incorporated and located). The experiment was carried out in a greenhouse using a Humic Cambisol Ta aluminate Typical for 67 days. Liming increased dry matter production of shoots, plant growth, accumulation and P use efficiency in Eucalyptus; the incorporated application was more efficient than localized. Liming decreased efficiency of Gafsa rock phosphate and triple superphosphate was the most efficient phosphorus source.
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Copyright (c) 2011 Shizuo Maeda, Itamar Antonio Bognola
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