Compared with the non-application of FGD, the application of chemical fertilizer and organic fertilizer, combined with the application of FGD gypsum, can increase the yield of rice in alkaline soil by 12-60%. The combination of chemical fertilizers and organic fertilizers and FGD gypsum increases the yield of saline sunflowers by 0.7-31% compared to the non-application of FGD gypsum. Compared with the control, the application of different organic materials and FGD gypsum can increase the yield of secondary saline soil by 13-21%.
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