A sustainable fertilization strategy to boost maize yield and photosynthetic resilience in saline soils.

Correlation analysis Pearson correlation analysis ( Figure 6 ) revealed that, in S1 soil, maize yield showed no significant correlation with biomass and plant height ( P > 0.05), but had a highly significant positive correlation with leaf area index (LAI) and chlorophyll content ( P < 0.01).

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Among them, the U 1 treatment resulted in the highest biomass and plant height, which significantly exceeded those of the O 1 treatment by 18.11% and 6.78%, respectively (P< 0.05), and showed a decreasing trend with increasing proportion of organic nitrogen.

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