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首页> 外文期刊>Scientia horticulturae >Biochar-compost substrates do not promote growth and fruit quality of a replanted German apple orchard with fertile Haplic Luvisol soils
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Biochar-compost substrates do not promote growth and fruit quality of a replanted German apple orchard with fertile Haplic Luvisol soils

机译：生物炭堆肥基质不能促进德国肥沃的Haplic Luvisol土壤种植苹果园的生长和果实品质

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In fruit growing areas, the new establishment of apple orchards on soils previous planted with apple trees is problematic, because plant vitality, yield, and fruit quality of the new planted trees are suppressed through specific apple replant diseases. We hypothesized that the addition of biochar mixed with compost could help to combat the negative impact of replant disease by improving soil fertility and by altering microbial composition of the fatigue soil. To test this, we applied 3 kg of two biochar-compost substrates containing 15% and 30% of biochar into the planting holes prior replanting of apple trees (Males domestica; c.v. 'Braeburn' trees on M9). We then evaluated plant growth, nutrient content of the leaves as well as fruit yield and quality in comparison to a fertilized and untreated control trial. However, apart from some even negative effects on plant growth, the other investigated parameters did not respond to the application of biochar-compost substrates. Hence, both biochar compost additions as well as the granular fertilizer did not suppress apple replant diseases and thus failed to improve the overall performance of the apple trees over the three years of investigation. (C) 2016 Elsevier B.V. All rights reserved.
机译：在水果种植区，在先前种植苹果树的土壤上新建立苹果园是有问题的，因为新种植的树木的植物活力，产量和果实品质会因特定的苹果再植病而受到抑制。我们假设，将生物炭与堆肥混合添加可以通过改善土壤肥力和改变疲劳土壤的微生物组成，帮助抵抗再种植疾病的负面影响。为了对此进行测试，我们在种植苹果树之前将3 kg的两种生物炭堆肥基质（分别含有15％和30％的生物炭）施入了种植孔中（雄性果蝇;在M9上的c.v.'Braeburn'树）。然后，我们与未施肥和未处理的对照试验相比，评估了植物的生长，叶片的养分含量以及果实的产量和品质。但是，除了对植物生长产生某些负面影响外，其他研究参数对生物炭复合基质的应用没有反应。因此，添加生物炭堆肥以及粒状肥料都不能抑制苹果再植病，因此在三年的研究中未能改善苹果树的整体性能。 （C）2016 Elsevier B.V.保留所有权利。

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