TAI Lian-mei,JIN Hong,YAN Feng-yun,et al.Effects of Tillage Systems and Formed Countermeasure on the Amount of Soil Microbe of Soybean Roots[J].HEILONGJIANG AGRICULTURAL SCIENCES,2003,(06):20-22.[doi:10.11942/j.issn1002-2767.2003.06.0020]
不同耕作及配套措施对大豆根部土壤微生物数量的影响
- Title:
- Effects of Tillage Systems and Formed Countermeasure on the Amount of Soil Microbe of Soybean Roots
- 文章编号:
- 1002 -2767(2003)06 -0020 -03
- Keywords:
- soybean ; tillage ; formed countermeasure ; soil microbe
- 分类号:
- S565 .104.7
- 文献标志码:
- A
- 摘要:
- 通过不同耕作和配套措施, 分别对大豆苗期、花期、鼓粒期根部土壤微生物数量进行测定, 结果表明, 采用不同的措施对微生物数量影响很大。在大豆生育期, 翻松耙、间松耙措施明显增加土壤微生物数量。0 ～ 15 cm 土层中, 连年耙地微生物数量多于连年翻地, 而15 ～ 30 cm 土层中, 连年翻地微生物数量多于连年耙地。在配套措施中, 随着大豆生育的延伸, 土壤中微生物的数量随之大量增加, 间松耙处理微生物数量最高。
- Abstract:
- Under the conditions of dif ferent tillage systems and formed countermeasures, the amount ofthe soil microbe of soybean roots in seeding stage , f low ering stage and grain -setting stage was determined.The result s show ed that there was g reat inf luence on amount of soil microbe w ith dif ferentmeasures .There was a significant increase in the number of soil microbes by the real t illage -deep digging-harrow and discontinuous deep digging -harrow .In the depth of 0 ～ 15 cm , the number of microbein soil harrowed is more than that plow ed .While , in 15 ～ 30 cm soil layer , the amount of microbein soil plow ed is mo re than that in harrowed .Formed coun lermeasure lead to an in crease in microbialamount during g row th of soybean but t reatment 4 is the highest .
参考文献/References:
[ 1]Kitur , B, K .Fate of 15N -depleded ammonium ni trat e applied to no-tillage and conventional t illage corn[ J] .Agron J .1984 , 76 :240-242 .
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备注/Memo
收稿日期:2002 -12 -31