Effects of Soil Amendments on Yield, Quality of Honey Pomelo and Soil Properties

doi:10.11924/j.issn.1000-6850.casb17020050

Abstract

Abstract: The authors studied the effects of 3- year continuous application of silicon calcium potassium magnesium fertilizer on yield, quality of honey pomelo and soil properties, to understand the reasonable application amount of silicon calcium potassium magnesium fertilizer. The results showed that, with the application of silicon calcium potassium magnesium fertilizer for 3 years, although affected by tree itself and the major and minor year (high yield in 2015), honey pomelo yield was improved at different degrees each year, and the fertilizer had little effect on honey pomelo number and fruit cracking rate. Application of silicon calcium magnesium potassium fertilizer could increase the Vc content and soluble sugar content of honey pomelo to different extents. The total acid content of honey pomelo did not change significantly, but the average total acid decreased. The sugar/acid ratio of honey pomelo did not differ significantly between the treatments and the control. The application of silicon calcium magnesium potassium fertilizer could improve soil pH value, available phosphorus, available potassium, exchangeable calcium and magnesium content, enhance soil antioxidant ability. In conclusion, considering the cost, the yield and quality of honey pomelo were the best when the application amount of silicon calcium potassium magnesium fertilizer was 750 kg/hm2 .

CLC Number:

S156.2

References

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