ZHANG Bian-hua,JIN Dong-sheng,ZHANG Qiang,et al.Analysis on the Rhizosphere Effects of Different Fertilization Treatments on Soybean in Industrial and Mining Reclamation Areas[J].Soybean Science,2018,37(06):915-922.[doi:1011861/jissn1000-98412018060915]
不同施肥处理下工矿复垦区大豆根际效应分析
- Title:
- Analysis on the Rhizosphere Effects of Different Fertilization Treatments on Soybean in Industrial and Mining Reclamation Areas
- Keywords:
- Industrial and mining reclamation area; Soybean; Fertilization treatments; Rhizosphere effect
- 文献标志码:
- A
- 摘要:
-
为了研究工矿复垦区不同施肥处理下的大豆根际效应,采用土壤农化分析法、微生物平板培养法和土壤酶活性测定方法对不同生育期不同施肥处理下大豆根际和非根际土壤中的养分、微生物区系、酶活性指标进行了测定和分析。结果表明:在大豆不同生育期,不同施肥处理下根际对全氮、有机质、有效磷、速效钾、水解性氮的富集均具有正向效应,且施肥处理下大豆根际效应强于对照处理;在苗期与开花期,有机无机配施处理与CK处理间根际各种养分富集率差异均显著;在鼓粒期与成熟期,有机无机配施处理与CK处理间根际全氮、有机质、速效钾富集率差异显著。在大豆不同生育期不同施肥处理下根际酶活性、根际微生物数量均高于非根际,且有机无机配施肥处理与CK处理间根际效应差异显著;过氧化氢酶、脲酶、蔗糖酶根际效应均与土壤有机质富集率显著相关,碱性磷酸酶与水解性氮和速效钾显著相关;细菌根际效应与全氮、有机质富集率显著相关,放线菌根际效应与全氮、有效磷富集率显著相关,而真菌与养分富集率相关性较差。总体来看,在该工矿复垦区大豆不同生育期有机无机配施处理下根际效应较强。
- Abstract:
- In order to study the rhizosphere effect of soybean under different fertilization treatments in industrial and mining reclamation areas, the nutrients, microflora and enzyme activity indexes of rhizosphere and non-rhizosphere soil were measured respectively by soil agrochemical analysis, microorganism plate culture and soil enzyme activity determination method The results showed that the rhizosphere had positive effects on the enrichment of total nitrogen, organic matter, available phosphorus, available potassium and hydrolyzable nitrogen under different fertilization treatments at the soybean growth stage, and the rhizosphere effect of soybean under different fertilization treatments was stronger than that under control There were significant differences in the enrichment rates of nutrients between organic-inorganic fertilizer treatment and CK during seedling and flowering period And there were significant differences in total nitrogen, organic matter and available potassium concentration between the combined mature and inorganic fertilizer treatment and CK during the seed-filling and mature period Rhizosphere enzyme activity and microorganism quantity were higher than those of non-rhizosphere, and organic-inorganic fertilizer treatment was significantly higher than that of control at the soybean growth stage The rhizosphere effects of catalase, urease, and sucrose were significantly related to soil organic matter concentration rate, and alkaline phosphatase was significantly related to hydrolyzed nitrogen and available potassium Bacterial rhizosphere effect was significantly correlated with total nitrogen and organic matter enrichment rate, actinomycorrhizal rhizosphere effect was significantly correlated with total nitrogen and available phosphorus enrichment rate Generally speaking, the rhizosphere effect under organic and inorganic fertilization at different growth stages of soybean in industrial and mining reclamation area was stronger
参考文献/References:
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备注/Memo
收稿日期:2018-09-10