生物有機(jī)肥對(duì)櫻桃生長及根際土壤生物學(xué)特征的影響
[Abstract]:The effects of organic fertilizer (OF) and biological organic fertilizer (BF) on soil microbial count, microbial biomass carbon and nitrogen in cherry rhizosphere were studied by pot experiment with annual 'Gisela' cherry seedling. The traditional plate counting method and modern T-RFLP technique were used to study the effects of (OF) and (BF) on the soil biomass of cherry rhizosphere. Effects of bacterial community diversity, soil enzyme activity, cherry growth and nutrient uptake. The results showed that the amount of microbial biomass, carbon and nitrogen in rhizosphere soil could be increased by applying OF and BF, and the total amount of actinomycetes, fungi and microbes in Rhizosphere soil treated with OF was higher than that in OF treatment. Microbial biomass carbon and microbial biomass nitrogen increased by 115.65% and 48.3%, respectively. Compared with the control, the application of OF and BF could increase the diversity and richness of bacterial community structure in rhizosphere soil. Compared with the control, the activity of urease and sucrase in soil was increased by OF. Compared with OF, the activities of urease, phosphatase, sucrase and polyphenol oxidase increased significantly. Compared with OF treatment, the biomass of stem and leaf increased by 9.559.98% and 11.16%, respectively, and the nutrient uptake of N + P and K increased 15.35% and 32.09%, respectively. It can be seen that the application of organic fertilizer and biological organic fertilizer can effectively improve the soil ecological environment of cherry rhizosphere and promote the growth and absorption of nutrients in cherry rhizosphere, but the application effect of biological organic fertilizer is obviously better than that of organic fertilizer.
【作者單位】: 山東農(nóng)業(yè)大學(xué)生命科學(xué)學(xué)院山東省農(nóng)業(yè)微生物重點(diǎn)實(shí)驗(yàn)室;山東省林業(yè)科學(xué)研究院;
【基金】:山東省科學(xué)技術(shù)發(fā)展計(jì)劃項(xiàng)目(2007GG2009007) 國家“十一五”科技支撐計(jì)劃項(xiàng)目(2006BAD03A1505-3)
【分類號(hào)】:S662.5;S154
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