International Scholarly Research Notices / 2012 / Article / Fig 2

Research Article

Effects of Organic and Inorganic Materials on Soil Acidity and Phosphorus Availability in a Soil Incubation Study

Figure 2

Increase in Olsen P above the control treatment as affected by tithonia and MPR at Bukura. Note: “combined appl.” refers to the observed increase in Olsen P above the control obtained when tithonia (at 20 kg P ha−1) was applied in combination with MPR (at 40 kg P ha−1), while “individual appl.” refers to the increase in Olsen P above the control obtained when tithonia, applied alone at 20 kg P ha−1, was added to the increase in Olsen P above the control obtained when MPR was applied alone at 40 kg P ha−1.
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