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Effects of Long Term Fertilization on Organic Carbon and Nitrogen Dynamics in a Vertisol in Eastern China

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Figure

Figure 1. Local rainfall and temperature changes during the trial.
Table 1. Mean application rates of mineral fertilizers and organic amendment for each treatment (kg∙ha–1yr–1)
Figure 2. Fractionation procedures used to obtain macro fraction, heavy macro fraction, free particulate fraction, occluded parti-culate fraction, mineral-associated fraction, and coarse mineral-associated fraction from soils under different treatments
Figure 3. Mean annual grain yield under different fertilization treatments over 33 years
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