The phrase "artificially contributed" is correct and usable in written English.
It can be used to describe something that has been added or influenced by artificial means, often in contexts related to technology, science, or social constructs.
Example: "The data set was artificially contributed by various algorithms to enhance its accuracy."
Alternatives: "synthetically added" or "manually introduced".
With some types of investment off limits — some states like Iowa and Minnesota prohibit institutions from owning land — ownership prohibitions may be artificially contributing contributed to price increases in other states.
Starch content was measured on all samples to ensure starch did not artificially contribute to the sugar release values.
Also, non-stop jackhammering at a construction site near the testing room may have contributed to artificially high blood-pressure readings in the three subjects from whom results could be obtained, and in the experimenter.
Instead of stimulating the economy, those artificially high labor costs contributed to the mini-Depression of 193738.
Therefore, it is possible that all these together with technical aspects of RNA amplification may have contributed to the artificially low fold changes.
In addition, assembly and sequence accuracy issues may have contributed to creation of artificially truncated ZNF arrays in some cases.
Surgical inks at the edge of the resected specimens may have also contributed to outliers with artificially high hemoglobin concentrations.
Progress in both membrane and cell culture technology has also greatly contributed to the success of artificially engineered tissue.
The artificially created snowdrift at the experimental lake contributed meltwater until early July during both summers of the study period and effectively offset summer lake drying.
As directly observed in situ, areas artificially reforested with species cultivated for wood contributed in large part to this development.
