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Influence of Microbiologically Enriched Mineral Fertilizers on Selected Groups of Microorganisms in the Rhizosphere of Strawberry Plants

Open Access
|May 2021

Figures & Tables

Isolation of actinomycetes and filamentous fungi from soil of strawberry rhizosphere

Treatment no.TreatmentsActinomycetes A (cfu × 105·g DW−1 of soil)Actinomycetes B (cfu × 105·g DW−1 of soil)Filamentous fungi (cfu × 104·g DW−1 of soil)Actinomycetes A (cfu × 105·g DW−1 of soil)Actinomycetes B (cfu × 105·g DW−1 of soil)Filamentous fungi (cfu × 104·g DW−1 of soil)
20182019
1control20.0 ± 2.9 b25.0 ± 3.1 b15.5 ± 3.0 c7.7 ± 2.5 d24.6 ± 6.7 b20.3 ± 1.1 ab
2control + NPK36.9 ± 13.2 b50.0 ± 15.8 b11.7 ± 2.7 c18.6 ± 0.9 bcd50.6 ± 12.7 ab22.8 ± 8.8 ab
+Fungi
3control + fungi12.8 ± 0.8 b16.1 ± 1.1 b41.5 ± 0.1 a14.3 ± 1.4 bcd28.4 ± 1.0 ab18.5 ± 3.5 ab
4control + NPK + fungi54.3 ± 6.5 b68.3 ± 10.0 b37.8 ± 3.7 ab34.8 ± 6.3 abc52.2 ± 6.1 ab23.2 ± 5.9 ab
5urea 100% + fungi42.7 ± 10.8 b52.0 ± 15.1 b30.1 ± 6.8 b52.1 ± 5.6 a74.6 ± 8.7 a30.9 ± 8.0 a
6urea 60% + fungi35.9 ± 14.2 b50.8 ± 19.6 b46.7 ± 0.7 a12.7 ± 1.4 bcd22.8 ± 0.3 b8.0 ± 0.3 b
+Bacteria
7control + bacteria103.9 ± 7.8 a110.7 ± 8.5 a13.5 ± 2.8 c18.2 ± 1.1 bcd36.5 ± 0.3 ab7.8 ± 1.6 b
8control + NPK + bacteria34.4 ± 11.7 b42.5 ± 13.7 b10.1 ± 2.3 c11.0 ± 1.7 cd19.0 ± 1.7 b12.1 ± 1.3 ab
9Polifoska 6 100% + bacteria23.4 ± 6.1 b36.6 ± 15.0 b10.3 ± 1.9 c38.5 ± 0.1 ab55.1 ± 0.5 ab22.1 ± 4.5 ab
10Polifoska 6 100% + bacteria*21.6 ± 4.7 b28.3 ± 4.3 b13.5 ± 0.3 c18.9 ± 3.4 bcd27.6 ± 5.4 ab9.3 ± 2.6 ab
11Polifoska 6 60% + bacteria49.9 ± 16.0 b55.3 ± 15.6 b18.7 ± 2.8 c32.1 ± 3.7 abcd55.8 ± 15.1 ab15.4 ± 3.3 ab
12Super Fos Dar 40 100% + bacteria28.7 ± 5.9 b33.2 ± 4.5 b16.7 ± 0.9 c36.0 ± 11.4 abc68.1 ± 16.7 ab18.8 ± 4.3 ab
13Super Fos Dar 40 60% + bacteria23.4 ± 1.8 b32.6 ± 0.2 b6.2 ± 0.8 c30.9 ± 12.1 abcd61.7 ± 19.5 ab28.3 ± 0.2 ab

Isolation of bacteria from soil of strawberry rhizosphere

Treatment no.TreatmentsBacteria total count (cfu × 106·g DW−1 of soil)Pseudomonas total count (cfu × 103·g DW−1 of soil)Pseudomonas fluorescens (cfu × 103·g DW−1 of soil)Bacteria total count (cfu × 106·g DW−1 of soil)Pseudomonas total count (cfu × 103·g DW−1 of soil)Pseudomonas fluorescens (cfu × 103·g DW−1 of soil)
20182019
1control39.2 ± 7.4 ab59.4 ± 26.8 a27.4 ± 10.1 a13.6 ± 3.7 e13.9 ± 2.3 b11.6 ± 1.8 c
2control + NPK30.9 ± 2.2 ab76.5 ± 14.8 a13.7 ± 3.9 a7.1 ± 1.1 e69.9 ± 2.3 a60.3 ± 2.1 a
+ Fungi
3control + fungi28.4 ± 6,3 ab42.7 ± 14.1 a20.6 ± 10.0 a10.9 ± 0.0 e9.0 ± 1.9 b8.3 ± 1.6 c
4control + NPK + fungi7.2 ± 1.5 b61.2 ± 20.3 a78.9 ± 1.6 a8.4 ± 0.1 e42.9 ± 2.9 ab20.4 ± 1.0 c
5urea 100% + fungi43.8 ± 13.6 ab162.4 ± 58.0 a78.4 ± 32.0 a10.1 ± 0.2 e41.9 ± 5.1 ab32.4 ± 5.4 bc
6urea 60% + fungi61.7 ± 15.3 a129.6 ± 32.2 a77.7 ± 24.4 a54.0 ± 0.6 b50.1 ± 11.9 ab26.3 ± 1.2 c
+ Bacteria
7control + bacteria39.7 ± 10.1 ab100.9 ± 39.5 a54.2 ± 18.7 a32.6 ± 6.6 d35.4 ± 1.8 ab12.2 ± 2.9 c
8control + NPK + bacteria18.2 ± 0.7 b72.6 ± 29.9 a48.8 ± 14.4 a7.4 ± 0.8 e28.5 ± 6.1 ab22.9 ± 5. c
9Polifoska 6 100% + bacteria25.1 ± 6.7 ab172.6 ± 54.9 a24.3 ± 2.9 a69.3 ± 10.2 a41.6 ± 8.3 ab34.6 ± 7.7 bc
10Polifoska 6 100% + bacteria*36.9 ± 5.3 ab80.3 ± 31.2 a32.0 ± 0.3 a31.6 ± 1.2 cd49.3 ± 17.2 ab15.4 ± 1.6 c
11Polifoska 6 60% + bacteria61.5 ± 2.3 a138.2 ± 41.5 a47.2 ± 16.1 a7.7 ± 0.2 e54.6 ± 14.8 ab40.0 ± 7.5 abc
12Super Fos Dar 40 100% + bacteria34.2 ± 14.5 ab79.2 ± 30.9 a54.4 ± 19.7 a21.2 ± 0.5 de66.3 ± 18.1 a56.6 ± 17.1 ab
13Super Fos Dar 40 60% + bacteria29.8 ± 2.9 ab92.9 ± 23.3 a39.6 ± 12.2 a43.5 ± 1.0 c38.1 ± 11.5 ab19.7 ± 8.0 c

Isolation of phosphorus bacteria from soil of strawberry rhizosphere

Treatment no.TreatmentsPhosphate-solubilizing bacteria A (cfu × 104·g DW−1 of soil)Phosphate-solubilizing bacteria B (cfu × 104·g DW−1 of soil)Phosphate-solubilizing bacteria A (cfu × 104·g DW−1 of soil)Phosphate-solubilizing bacteria B (cfu × 104·g DW−1 of soil)
20182019
1control6.8 ± 0.7 bc51.3 ± 7.1 a14.6 ± 1.4 bc36.1 ± 7.5 b
2control + NPK9.6 ± 1.8 bc38.4 ± 0.8 a28.5 ± 4.5 abc54.7 ± 10.9 ab
+Fungi
3control + fungi5.3 ± 1.3 bc49.1 ± 18.4 a18.9 ± 4.3 bcd45.0 ± 9.0 ab
4control + NPK + fungi13.2 ± 0.8 ab74.3 ± 21.5 a31.4 ± 0.8 ab60.1 ± 3.6 ab
5urea 100% + fungi18.6 ± 5.2 ab56.0 ± 9.3 a14.8 ± 2.3 bc34.4 ± 7.5 b
6urea 60% + fungi7.0 ± 1.7 bc66.6 ± 13.9 a35.2 ± 2.9 a75.5 ± 5.2 a
+Bacteria
7control + bacteria6.7 ± 0.8 bc62.9 ± 7.1 a20.8 ± 3.2 bcd37.3 ± 4.8 b
8control + NPK + bacteria7.0 ± 3.2 bc48.7 ± 3.2 a12.5 ± 1.6 d27.8 ± 2.0 b
9Polifoska 6 100% + bacteria9.3 ± 2.0 bc49.3 ± 6.2 a25.7 ± 1.5 abc52.4 ± 4.7 ab
10Polifoska 6 100% + bacteria*25.5 ± 0.1 a52.2 ± 4.7 a16.6 ± 4.3 cd31.9 ± 6.7 b
11Polifoska 6 60% + bacteria3.0 ± 0.8 c64.5 ± 6.7 a20.8 ± 2.0 bcd51.9 ± 3.3 ab
12Super Fos Dar 40 100% + bacteria14.3 ± 5.9 ab88.0 ± 27.7 a20.4 ± 3.2 bcd46.0 ± 13.2 ab
13Super Fos Dar 40 60% + bacteria14.0 ± 3.7 ab54.5 ± 12.6 a17.8 ± 3.9 bcd43.1 ± 12.6 ab

The list of treatments (dose of fertilizers per one stoneware)

Treatment no.TreatmentsMineral fertilizersMicroorganisms
1control00
2control + NPKNPK (12 g Super Fos Dar 40, 50 g potassium salt, 35 g urea before planting and 12 g in midsummer)0
3control + fungi0Fungi (A. niger and P. lilacinum)
4control + NPK + fungiNPK (as in 2)Fungi (as above)
5urea 100% + fungiNPK, except urea in midsummer, 20 gFungi (as above)
6urea 60% + fungiNPK, except urea before planting, 20 g and 12 g in midsummerFungi (as above)
7control + bacteria0Bacteria (Bacillus sp., B. amyloliquefaciens, P. polymyxa added before planting)
8control + NPK + bacteriaNPK (as in 2)Bacteria (as above)
9Polifoska 6 100% + bacteriaPolifoska 6, 26 g, 33 g potassium salt, 30 g urea before planting and 20 g in midsummerBacteria (as above, incorporated into the fertilizer during production of granules)
10Polifoska 6 100% + bacteria*as in 9Bacteria (as above but added to the soil before planting)
11Polifoska 6 60% + bacteriaPolifoska 6 decreased to 14 g and urea decreased to 18 g before planting, 30 g potassium saltBacteria (as in 7)
12Super Fos Dar 40 100% + bacteriaNPK (as in 2)Bacteria (as in 7)
13Super Fos Dar 40 60% + bacteriaNPK (as in 2 but Super Fos Dar 40 decreased to 7 g, potassium salt decreased to 30 g and urea decreased to 20 g before plantingBacteria (as in 7)
DOI: https://doi.org/10.2478/johr-2021-0005 | Journal eISSN: 2353-3978 | Journal ISSN: 2300-5009
Language: English
Page range: 35 - 46
Submitted on: Aug 1, 2020
Accepted on: Mar 1, 2021
Published on: May 6, 2021
Published by: National Institute of Horticultural Research
In partnership with: Paradigm Publishing Services
Publication frequency: 2 times per year

© 2021 Lidia Sas-Paszt, Urszula Smolińska, Beata Kowalska, Magdalena Szczech, Anna Lisek, Paweł Trzciński, Sławomir Głuszek, Krzysztof Górnik, Edyta Derkowska, Beata Sumorok, published by National Institute of Horticultural Research
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.