Effects of Humic Acid Compound Fertilizers on the Yield and Quality of"Ehime No.38"Citrus Hybrids
Three treatments,i.e.,regular amount of humic acid compound fertilizers(T1),90%amount of humic acid compound fertilizers(T2),and regular amount of ordinary compound fertilizers(T3),were set up during the plot test,and the effects of humic acid compound fertilizers on the yield,fruit quality,economic benefits and soil physical and chemical properties of"Ehime No.38"citrus hybrids were studied.The results showed that,compared to ordinary compound fertilizers,the yield,quality,economic benefits of"Ehime No.38"citrus hybrids and the physical and chemical properties of soil had been improved with different degrees when 90%amount or regular amount humic acid compound fertilizers were applied.Among them,individual plants the yield increase rate was 5.38%～8.57%,the yield increase rate per mu was 1.63%～8.66%,the edible rate,solid-acid ratio and other taste and flavor had been significantly improved,the production-investment ratio had reached 6.54～6.76∶1,and the economic benefits are significant,and had a certain improvement effect on the soil.
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