The soil pH showed an increasing trend with the deepening of the tillage layer, and there were significant differences between the different cropping patterns ( p < 0.05) ( Figure 3 a).
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Initial Studies on the Effect of the Rice-Duck-Crayfish Ecological Co-Culture System on Physical, Chemical, and Microbiological Properties of Soils: A Field Case Study in Chaohu Lake Basin, Southeast China.
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