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Appl. Sci. 2016, 6(6), 168; doi:10.3390/app6060168

The Influence of Effective Microorganisms on Microbes and Nutrients in Kiwifruit Planting Soil

1,2,†
,
2,3,†
,
4,†
,
1,2
,
5
,
5
,
1,2
,
5
,
5
and
2,5,*
1
College of Civil Engineering, Sichuan Agricultural University, Dujiangyan 611830, China
2
Sichuan Higher Education Engineering Research Center for Disaster Prevention and Mitigation of Village Construction, Sichuan Agricultural University, Dujiangyan 611830, China
3
College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China
4
College of Forestry, Henan Agricultural University, Zhengzhou 450000, China
5
Laboratory of Microbiology, Dujiangyan Campus, Sichuan Agricultural University, Dujiangyan 611830, China
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Chih-Ching Huang
Received: 5 May 2016 / Revised: 24 May 2016 / Accepted: 25 May 2016 / Published: 2 June 2016
View Full-Text   |   Download PDF [588 KB, uploaded 2 June 2016]   |  

Abstract

To understand the effects of effective microorganisms (EMs) containing multiple strains on microbes and nutrients in kiwifruit planting soil, EMs prepared with four different strains were added to kiwifruit planting soil monthly from April to August. The counts of bacteria, fungi, actinomycetes, and total microbes were determined. The pH, total nitrogen (TN), alkali-hydrolyzable nitrogen (A-N), organic matter (OM), available potassium (A-K), and available phosphorus (A-P) of the soil were measured. Results indicated that the counts of bacteria, fungi, actinomycetes, and total microbes reached 60.33 × 105, 4.00 × 105, 0.92 × 105, and 65.25 × 105 CFU/g, respectively, in August, all of which were higher than those of the control group (CK). The bacterial count of the experimental group (EG) was higher than that of the CK in August. The pH-values of the EG were always lower than those of the CK. In August, the TN content of the EG was 1.52 g/kg, which was higher than that of the CK (1.35 g/kg). A significant negative association between the actinomycetes count and TN (p < 0.05) was found. For A-N and OM, the content of the EG (A-N, 125.18 mg/kg; OM, 49.84 mg/kg) was roughly the same as that of the CK (A-N, 112.51 mg/kg; OM, 53.11 mg/kg) in August. However, the A-K and A-P contents of the EG (A-K, 145.25 mg/kg; A-P, 111.25 mg/kg) were lower than those of the CK (A-K, 182.52 mg/kg; A-P, 202.19 mg/kg) in August. Results show that application of EMs in kiwifruit planting soil can increase the counts of soil microbes and might promote the absorption of major nutrients for kiwifruit tree. View Full-Text
Keywords: effective microorganisms; kiwifruit; planting soil; nutrients effective microorganisms; kiwifruit; planting soil; nutrients
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Fan, L.; Zhou, X.; Li, Y.; Ji, L.; Wu, G.; Li, B.; Cheng, L.; Long, M.; Deng, W.; Zou, L. The Influence of Effective Microorganisms on Microbes and Nutrients in Kiwifruit Planting Soil. Appl. Sci. 2016, 6, 168.

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