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首页> 美国卫生研究院文献>other >Long-Term Application of Bioorganic Fertilizers Improved Soil Biochemical Properties and Microbial Communities of an Apple Orchard Soil
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Long-Term Application of Bioorganic Fertilizers Improved Soil Biochemical Properties and Microbial Communities of an Apple Orchard Soil

机译：长期施用生物有机肥改善了苹果园土壤的生化特性和微生物群落

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Soil biochemical properties and microbial communities are usually considered as important indicators of soil health because of their association with plant nutrition. In this study, we investigated the impact of long-term application of bioorganic fertilizer (BOF) on soil biochemical properties and microbial communities in the apple orchard soil of the Loess Plateau. The experiment included three treatments: (1) control without fertilization (CK); (2) chemical fertilizer application (CF); and (3) bioorganic fertilizer application (BOF). The high throughput sequencing was used to examine the bacterial and fungal communities in apple orchard soil. The results showed that the BOF treatment significantly increased the apple yield during the experimental time (2009–2015). The application of BOF significantly increased the activities of catalase and invertase compared to those in CK and CF treatments. The high throughput sequencing data showed that the application of BOF changed the microbial community composition of all soil depths considered (0–20 cm, 20–40 cm, and 40–60 cm), e.g., the relative abundance of bio-control bacteria (Xanthomonadales, Lysobacter, Pseudomonas, and Bacillus), Proteobacteria, Bacteroidetes, Ohtaekwangia, Ilyonectria, and Lecanicillium was increased while that of Acidobacteria, Chloroflexi, Gp4, Gp6 and Sphaerobacter was decreased. The increase in apple yield after the application of BOF might be due to increase in organic matter, total nitrogen and catalase and invertase activities of soil and change in the bacterial community composition by enriching Bacillus, Pseudomonas, Lysobacter, and Ohtaekwangia. These results further enhance the understanding on how BOFs alter soil microbial community composition to stimulate soil productivity.
机译：由于土壤生化特性和微生物群落与植物营养有关，因此通常被视为土壤健康的重要指标。在这项研究中，我们调查了长期施用生物有机肥（BOF）对黄土高原苹果园土壤生物化学特性和微生物群落的影响。该实验包括三种处理：（1）对照不施肥（CK）； （2）化肥施用（CF）； （3）生物有机肥料的施用。高通量测序用于检查苹果园土壤中的细菌和真菌群落。结果表明，在实验时间内（2009-2015年），BOF处理显着提高了苹果产量。与CK和CF处理相比，BOF的应用显着增加了过氧化氢酶和转化酶的活性。高通量测序数据表明，BOF的应用改变了所考虑的所有土壤深度（0–20 cm，20–40 cm和40–60 cm）的微生物群落组成，例如，生物控制细菌的相对丰度（ Xanthomonadales，Lysobacter，假单胞菌和芽孢杆菌），Proteobacteria，Bacteroidetes，Ohtaekwangia，Ilyonectria和Lecanicillium均增加，而Acidobacteria，Chloroflexi，Gp4，Gp6和Sphaerobacter则减少。施用BOF后苹果产量的增加可能是由于土壤中有机质，总氮，过氧化氢酶和转化酶活性的增加，以及通过富集芽孢杆菌，假单胞菌，溶血细菌和大红旺细菌群落组成的变化。这些结果进一步增强了对转炉生物如何改变土壤微生物群落组成以刺激土壤生产力的认识。

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