摘要
设置5个不同的试验处理,研究增施有机肥和减少化学肥料的栽培措施对橙园土壤质量和果实品质的影响。结果表明,随着各处理有机肥使用量的递增,土壤有机质含量呈增加趋势,其中处理Ⅳ(有机肥、N、P2O5、K2O分别为12.50、0.10、0.10、0.10 kg/株)较对照(撒施石灰石)差异显著,增幅13.1%。土壤总氮的含量呈增加的趋势,最高为0.91 g/kg。土壤碱解氮、有效磷及速效钾的含量呈增加的趋势,最高分别为90.98、18.10和258.73 mg/kg;增施有机肥减少化肥改善福橙果实品质,果实中可溶性固形物及可滴定酸含量呈增加趋势。
The effects of compound fertilizer on citrus orchards soil fertilizer and fruit quality were examined. Five different experimental treatments were used as increasing organic fertilizer and reducing chemical fertilizer. The results showed that the soil organic matter content increased with the increasing organic fertilizer usage, treatment Ⅳ(Organic fertilizer,N,P2 O5 and K2 O were 12.50,0.10,0.10 and 0.10 kg/plant, respectively)significant increased 13.1% than control treatment; The contents of total nitrogen in soil showed increasing trend, which were 0.91 g/kg. The contents of alkali-hydrolyzable nitrogen, available phosphorus and available potassium in soil showed increasing trend, which were 90.98,18.10 and 258.73 mg/kg, respectively.The content of soluble solids and titrable acid in citrus fruit increased with increasing organic fertilizer and decreasing chemical fertilizer.
引文
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