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试验处理为单株施1 kg、2 kg、3 kg生物菌肥，以不施生物菌肥为对照。通过研究‘新梨7号’叶片质量、果实品质及土壤养分含量的变化，探讨生物菌肥对‘新梨7号’树体营养及土壤养分的影响。结果表明：每株施2 kg生物菌肥可以提高叶片厚度、叶片鲜重干重和比叶重；叶片钾含量以单株施2 kg生物菌肥为最高，每株施3 kg生物菌肥可以显著提高叶片中氮磷含量。生物菌肥能改善果实外观品质，显著提高果实可溶性固形物、可溶性糖和维生素C含量，降低可滴定酸含量且随生物菌肥施入量的增加而降低。0～20 cm土壤有机质、全氮、全钾、碱解氮和速效钾含量以单株施2 kg生物菌肥为最高，土壤速效磷的含量以单株施3 kg生物菌肥为最高；单株施2 kg生物菌肥能够最大程度增加20～40 cm土壤的全氮和速效磷含量，土壤全磷、碱解氮和速效钾含量以单株施3 kg生物菌肥为最高；40～60 cm土壤全氮、全钾、碱解氮和速效钾含量以单株施3 kg为最高，单株施2 kg生物菌肥能够提高土壤有机质和速效磷含量。因此，单株增施2～3 kg生物菌肥对提高叶片质量、改善果实品质和提高土壤肥力具有较好的效果。
Abstract：The experimental treatments were 1 kg, 2 kg, 3 kg bio-bacterial fertilizer per plant, and no bio-bacterial fertilizer was used as control. By studying changes in leaf quality, fruit quality and soil nutrient content of‘Xinli No.7', the effects of bio-bacterial fertilizer on tree nutrition and soil nutrient of‘Xinli No. 7'were discussed. The results show that: applying 2 kg bio-bacterial fertilizer per plant could increase leaf thickness, fresh and dry leaf weight and specific leaf weight; the highest content of K in leaves was 2 kg bio-bacterial fertilizer per plant, and application of 3 kg bio-bacterial fertilizer per plant could significantly increase the content of N and P in leaves; bio-bacterial fertilizer could improve fruit appearance quality, significantly increase fruit soluble solid,soluble sugar and vitamin C content, and decrease titratable acid content, which decreased with the increase of application amount of bacterial fertilizer. The contents of organic matter, total N, total K, alkali-hydrolyzable N and available K in 0～20 cm soil were the highest with 2 kg bio-bacterial fertilizer per plant, and the content of available P was the highest with 3 kg bio-bacterial fertilizer per plant; applying 2 kg bio-fertilizer per plant could increase the contents of total N and available P in the soil of 20～40 cm, and the contents of total P, alkali-hydrolyzable N and available K in the soil of 3 kg bio-fertilizer per plant were the highest; the contents of total N, total K, alkali-hydrolyzable N and available K in soil of 40～60 cm were the highest when applied 3 kg per plant, and the contents of organic matter and available P were increased when applied 2 kg per plant. Therefore, adding 2～3 kg bio-fertilizer per plant had a better effect on improve leaf quality, fruit quality and soil nutrient.
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基本信息:
中图分类号:S661.2
引用信息:
[1]王程成,张琦,段黄金,等.生物菌肥对‘新梨7号’树体营养及土壤养分的影响[J].塔里木大学学报,2022,34(01):64-70.
基金信息:
新疆生产建设兵团民生实事农业技术辐射带动项目“梨和红枣高效栽培关键技术集成与示范”（MSSS201903）
2022-03-15
2022-03-15