Effects of Microbial Fertilizer Seed Dressing and Cropping Patterns on Rhizospheric Microorganisms of Pea/Maize

ZHANG Hutian; SHANG Hushan

doi:10.13961/j.cnki.stbctb.2015.06.030

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Effects of Microbial Fertilizer Seed Dressing and Cropping Patterns on Rhizospheric Microorganisms of Pea/Maize

- Effects of Microbial Fertilizer Seed Dressing and Cropping Patterns on Rhizospheric Microorganisms of Pea/Maize
- Bulletin of Soiland Water Conservation Vol. 35, Issue 6, Pages: 168-171(2015)
- 作者机构：
  
  1. 定西市安定区农业技术推广服务中心,甘肃,定西,743000
  2. 定西市农业科学研究院,甘肃,定西,743000
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.06.030
  CLC：
- Published：2015
- 稿件说明：
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ZHANG Hutian, SHANG Hushan. Effects of Microbial Fertilizer Seed Dressing and Cropping Patterns on Rhizospheric Microorganisms of Pea/Maize[J]. Bulletin of Soiland Water Conservation, 2015, 35(6): 168-171.
DOI：

ZHANG Hutian, SHANG Hushan. Effects of Microbial Fertilizer Seed Dressing and Cropping Patterns on Rhizospheric Microorganisms of Pea/Maize[J]. Bulletin of Soiland Water Conservation, 2015, 35(6): 168-171. DOI： 10.13961/j.cnki.stbctb.2015.06.030.

摘要

[目的

]

探究禾/豆复合体系中菌肥拌种以及间作的根际效应

为拓宽共生固氮的应用范围、提高生物固氮作用及合理运筹肥料提供理论依据。[方法

]

采用田间小区试验。[结果

]

豌豆(Pisum sativum)的根际微生物数量(3.63×10

CFU/g)高于玉米(Zea mays)的根际微生物数量(3.10×10

CFU/g);间作显著增加了两种作物根际微生物数量

与单作相比

间作后玉米根际微生物数量的增幅(55.39%)大于豌豆的增幅(33.12%);在间作条件下

菌肥拌种使作物根际微生物数量显著增加

其中豌豆根瘤菌肥的拌种效果最好

拌种后玉米和豌豆根际微生物数量的增幅分别为23.03%和46.09%

且豌豆根际微生物数量的增幅大于单作时的增幅(30.00%)。[结论

]

不同的种植模式和菌肥拌种均可显著有效地增加作物根际微生物数量。

Abstract

[Objective] In order to provide useful information for widening the application scope of symbiotic nitrogen fixation

improving the efficiency of biological nitrogen fixation and managing of fertilizer

the rhizosphere effects of seed dressing and grain/soybean intercropping were studied.[Methods] Field experiment was conducted.[Results] Amount of pea rhizospheric microorganisms(3.63×107 CFU/g) was higher than that of maize ones(3.1×107 CFU/g) under the same plantation pattern. Rhizospheric microorganisms of pea and maize both increased significantly in intercropping mode. As compared with the corresponding values of their monoculture mode

rhizosphere microorganisms of maize obtained(55.39%) greater improvement than that of pea microorganisms obtained(33.12%). Under intercropping mode

significant increases of rhizospheric microorganisms in fertilizer seed dressing were both observed for the two crops. Increase of maize' rhizosphere microorganisms(23.03%) was lower than that of pea(46.09%). The amount of pea rhizosphere microorganisms was also more than that in mono-cropping mode(30.00%).[Conclusion] Intercropping and microbial fertilizer seed dressing can both significantly increase the quantity of crop rhizosphere microorganisms.

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references

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