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In order to explore the effect of biogas residue  organic  fertilizer on the yield and quality of dragon fruit, field experiments were carried out in comparison with traditional fertilization and cattle manure organic fertilizer to provide technical support for the application of biogas residue organic fertilizer in dragon fruit production. The results showed that the yield per ha and sugar-acid ratio of dragon fruit treated with biogas residue organic fertilizer increased by 12.84% and 60.55% respectively compared with the traditional fertilization treatment, and the VCR (vario-cost ratio) value reached 4.95. Compared with cattle manure organic fertilizer, the yield per mu and sugar-acid ratio of dragon fruit increased by 9.82% and 5.58%, respectively, with a newly increased income of 11,900 RMB/ha. Therefore, biogas residue organic fertilizer has a good application prospect in pitaya cultivation.

Effects of Biogas Residue Organic Fertilizer on the Yield and Quality of Dragon Fruit