T4 increased microbial biomass carbon and soil enzyme activities.

fertilization · soil: biology · Triticum aestivum (wheat)Results differ

76 papers in the same direction as this claim · 5 in the opposite direction

1. no effect
   Manure had no effect on soil microbial biomass C and N, soil respiration, and the quantity of potentially mineralizable N.

   EFFECT OF MANURE AND P FERTILIZER ON PROPERTIES OF A BLACK CHERNOZEM IN SOUTHERN SASKATCHEWAN · 1986 · compared with check (no treatment)

   Opposite direction

2. negative
   Under elevated CO2 at jointing, high N fertilizer decreased soil microbial biomass C by 64.97% compared with low N (p<0.01).

   Effects of Elevated CO2 and O3 and N Fertilization on Amount of Soil Microbial Biomass Carbon in Spring Wheat Growing Season · 2011 · compared with the low N application rate of chemical fertilizer N

   Opposite direction

3. no effect
   Nitrogen fertilization did not significantly influence fungal populations.

   The impact of tillage and fertilization on wheat grain infection · 2013

   Opposite direction

4. no effect
   Chemical fertilizer had little effect on soil bacterial communities.

   Effects of different organic-inorganic mixed fertilizations on yield of wheat, nitrogen use efficiency and soil microbial diversity. · 2009

   Opposite direction

5. no effect
   Nitrogen fertilizer had no statistically significant effect on the rhizosphere community.

   Wheat Rhizosphere Bacterial Community Response to Bromus tectorum (L.) and Fusarium pseudograminearum Crown Rot · 2026

   Opposite direction

6. positive
   Compost alleviated the negative effects of chemical fertilizer on earthworm activity.

   Effects of cattle manure compost combined with chemical fertilizer on topsoil organic matter, bulk density and earthworm activity in a wheat–maize rotation system in Eastern China · 2015

   Same direction

7. positive
   Digestate plus straw increased soil microbial biomass carbon by 43.2% over control.

   The effect of digestate, cattle slurry and mineral fertilization on the winter wheat yield and soil quality parameters · 2015 · compared with control

   Same direction

8. positive
   Compost-amended topsoil had higher microbial biomass and dehydrogenase and phosphatase activities.

   Residual Effects of Compost on Soil Quality and Dryland Wheat Yield Sixteen Years after Compost Application · 2011 · compared with amended controls

   Same direction

73 papers more in this group

fertilization · soil: biology · Beta vulgaris (beet)Positive and negative results

1 in the opposite direction

1. no effect
   Neither compost affected microbial activity in the top eight inches of soil.

   Effect of Poultry Compost on Productivity and Quality of Beets · 1998

   Opposite direction

organic · soil: biology · Triticum aestivum (wheat)Positive and negative results

19 papers in the same direction as this claim · 1 in the opposite direction · 1 reporting no difference from an alternative

1. no effect
   No change was detected in the composition of the bacterial community between control and sludge samples.

   Monitoring of Rhizosphere Bacterial Communities in Soil with Sewage Sludge Addition Using Two Molecular Fingerprinting Methods: Do These Methods Give Similar Results? · 2016 · compared with control

   Opposite direction

2. no effect
   Combined biochar and P. aculeatum showed no additive effect on bacteria versus biochar alone.

   Response of bacterial communities to the application of sewage sludge biochar and Penicillium aculeatum in rhizosphere and bulk soil of wheat · 2023 · compared with sole application of SSB

   No difference from an alternative

3. positive
   Straw return raised KMnO 4 –oxidizable C and microbial biomass C.

   Impact of Straw Return on Soil Carbon Indices, Enzyme Activity, and Grain Production · 2017 · compared with without straw return

   Same direction

4. positive
   Organic amendments increased soil microbial activity relative to chemical fertilizer.

   Co-incorporating green manure and crop straw increases crop productivity and improves soil quality with low greenhouse-gas emissions in a crop rotation · 2024 · compared with chemical fertilizer

   Same direction

5. positive
   Returning the crop residue increased microbial biomass C, very labile C and labile C in the wheat–maize system.

   Does Straw Return Strategy Influence Soil Carbon Sequestration and Labile Fractions? · 2019

   Same direction

6. positive
   Combined use of organic amendments and inorganic fertilizers significantly improved soil microbial biomass carbon, nitrogen and phosphorus over inorganic fertilizers alone.

   Plant and Soil Responses to the Combined Application of Organic Amendments and Inorganic Fertilizers in Degraded Sodic Soils of Indo-Gangetic Plains · 2019 · compared with only use of inorganic fertilizers

   Same direction

7. positive
   Organic amendments combined with bio-stimulants enhanced water uptake and enzyme activities.

   Co-application of organic amendments and natural biostimulants on plants enhances wheat production and defense system under salt-alkali stress · 2024

   Same direction

8. positive
   Straw return significantly increased microbial community diversity.

   Straw Addition Enhances Crop Yield, Soil Aggregation, and Soil Microorganisms in a 14-Year Wheat–Rice Rotation System in Central China · 2024

   Same direction

13 papers more in this group