Abstract
Plant biostimulants are widely recognized as an eco-friendly alternative to chemical fertilizers due to their beneficial effects on soil health and plant growth. This study evaluated the effects of a microbial plant biostimulant on soil microbial activity, photosynthetic performance, and grain productivity of winter wheat grown under greenhouse conditions. Four treatments were tested: control (C), microbial plant biostimulant (MPB, 1 kg/ha), chemical fertilizer (CF, 100 kg/ha), and combined application (CF+MPB, CF dose reduced by 25%). The experiment used winter wheat variety KWS Lazuli and each treatment comprised six replications at completely randomized design. Studied parameters included soil chemical analysis, microbial metabolic activity, photosynthetic performance, and wheat grain productivity. The results showed that application of microbial plant biostimulant (MPB) did not affect soil chemical composition but increased soil dehydrogenase activity. Microbial plant biostimulant (MPB) also affected plant growth parameters and grain productivity. The combined application (CF+MPB) showed no synergistic effects and for net photosynthetic rate and grain productivity did not exceed the results obtained with the CF. However, the overall positive trend across studied parameters supports further research on the partial replacement of chemical fertilizers with microbial plant biostimulants under field conditions.
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Claims 6
Claim · model-written summary
The microbial plant biostimulant did not affect soil chemical composition relative to the control.
- Taxon
- winter wheat
Triticum aestivume0 - Treatment
- microbial plant biostimulant (MPB, 1 kg/ha)e1
- Outcome
- soil chemical compositione2
- Direction
- did not affecte2
- Comparator
- control (C)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain productivity of winter wheat grown under greenhouse conditions”
e1“Four treatments were tested: control (C), microbial plant biostimulant (MPB, 1 kg/ha), chemical fertilizer (CF, 100 kg/ha), and combined application (CF+MPB, CF dose reduced by 25%)”
e2“application of microbial plant biostimulant (MPB) did not affect soil chemical composition but increased soil dehydrogenase activity”
Claim · model-written summary
The microbial plant biostimulant increased soil dehydrogenase activity relative to the control.
- Taxon
- winter wheatTriticum aestivume0
- Treatment
- microbial plant biostimulant (MPB)e2
- Outcome
- soil dehydrogenase activitye2
- Direction
- increasede2
- Comparator
- control (C)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain productivity of winter wheat grown under greenhouse conditions”
e1“Four treatments were tested: control (C), microbial plant biostimulant (MPB, 1 kg/ha), chemical fertilizer (CF, 100 kg/ha), and combined application (CF+MPB, CF dose reduced by 25%)”
e2“application of microbial plant biostimulant (MPB) did not affect soil chemical composition but increased soil dehydrogenase activity”
Claim · model-written summary
The microbial plant biostimulant affected plant growth parameters and grain productivity; the direction is not stated.
- Taxon
- winter wheatTriticum aestivume0
- Treatment
- Microbial plant biostimulant (MPB)e3
- Outcome
- plant growth parameters and grain productivitye3
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain productivity of winter wheat grown under greenhouse conditions”
e3“Microbial plant biostimulant (MPB) also affected plant growth parameters and grain productivity”
Claim · model-written summary
The combined application CF+MPB showed no synergistic effects.
- Taxon
- winter wheatTriticum aestivume0
- Treatment
- combined application (CF+MPB, CF dose reduced by 25%)e1
- Outcome
- synergistic effectse4
- Direction
- noe4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain productivity of winter wheat grown under greenhouse conditions”
e1“Four treatments were tested: control (C), microbial plant biostimulant (MPB, 1 kg/ha), chemical fertilizer (CF, 100 kg/ha), and combined application (CF+MPB, CF dose reduced by 25%)”
e4“The combined application (CF+MPB) showed no synergistic effects”
Claim · model-written summary
The combined application CF+MPB did not exceed the chemical fertilizer alone for net photosynthetic rate and grain productivity.
- Taxon
- winter wheatTriticum aestivume0
- Treatment
- combined application (CF+MPB, CF dose reduced by 25%)e1
- Outcome
- net photosynthetic rate and grain productivitye5
- Direction
- did not exceede5
- Comparator
- CFe5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain productivity of winter wheat grown under greenhouse conditions”
e1“Four treatments were tested: control (C), microbial plant biostimulant (MPB, 1 kg/ha), chemical fertilizer (CF, 100 kg/ha), and combined application (CF+MPB, CF dose reduced by 25%)”
e5“for net photosynthetic rate and grain productivity did not exceed the results obtained with the CF”
Claim · model-written summary
The authors recommend further research on partial replacement of chemical fertilizers with microbial plant biostimulants under field conditions.
- Taxon
- winter wheatTriticum aestivume0
- Outcome
- partial replacement of chemical fertilizers with microbial plant biostimulantse6
- Setting
- field conditionse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain productivity of winter wheat grown under greenhouse conditions”
e6“the overall positive trend across studied parameters supports further research on the partial replacement of chemical fertilizers with microbial plant biostimulants under field conditions”
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See all 14 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.