Effect of Irrigation Amount on Citrus Quality Under Rainproof Cultivation
To investigate the effect of irrigation amount on the quality of citrus under rainproof cultivation,'Xingjin Early Growing'citrus was used as the experimental material.Four treatments were set up for comparative experiments,namely,30 L/(plant·time)for non rainproof cultivation(treatment 1),30 L/(plant·time)for rainproof cultivation(treatment 2),35 L/(plant·time)for non rainproof cultiva-tion(treatment 3),and 35 L/(plant·time)for rainproof cultivation(treatment 4).The results showed that the fruit quality was the best under treatment 2,with flesh weight,soluble solid content,vitamin C content,reducing sugar content,and total acid content of 45.27g,12.07%,550.66mg/kg,50.67mg/kg,and 1.47 g/kg,respectively.At the same time,the content of soluble solids and vitamin C in the fruit of 30 L/(plant·time)irrigation increased by 7.33%and 20.47%,respectively,compared with 35 L/(plant·time)irrigation;the soluble solid content,vitamin C content and reducing sugar content of citrus grown in rainproof cultivation environment were significantly higher than those in non rainproof cul-tivation environment.The best effect of improving the quality of citrus was when the amount of irrigation under rainproof cultivation was 30 L/(plant·time).
rainproof cultivationquality of citrusirrigation amountroot domain irrigation
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