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在陕西省铜川市进行了嘎啦苹果喷施含腐植酸叶面肥的对比试验。试验结果表明,喷施含腐植酸叶面肥800倍液、1000倍液,与喷施等量清水(对照)相比,单果重和产量均表现不同程度的增加,增产效果显著;叶片百叶鲜重、百叶干重、叶面积等均增加,经方差分析达到显著性差异水平;春秋梢和苹果可溶性固形物含量也有所增加,但经方差分析未达到显著性水平;经济效益分析结果以喷施含腐植酸叶面肥800倍液处理优于1000倍液。因此,本试验所用含腐植酸叶面肥在嘎啦苹果上的最适宜使用浓度为稀释800倍液。
In Tongchuan City, Shaanxi Province, Gala apples were sprayed with humic acid foliar fertilizer comparative test. The results showed that spraying monocotyledonous foliar fertilizer containing 800 folds and 1000 folds, compared with spraying the same amount of water (control), the fruit weight and the yield all showed different degrees of increase and the yield was significantly improved. Weight, dry weight of leaf and leaf area all increased significantly after analysis by variance analysis. The contents of soluble solids in spring shoots and apples also increased, but the variance analysis did not reach the significant level. The results of economic analysis were sprayed With humic acid foliar fertilizer 800 times better than 1000 times solution. Therefore, the most suitable concentration of humic acid foliar fertilizer used in this experiment on Gala apple was diluted 800 times.