The phrase "a further reduction of" is correct and usable in written English.
It can be used when discussing a decrease or diminishment in quantity, size, or degree, often in a formal or technical context.
Example: "The report indicates a further reduction of costs is necessary to improve profitability."
Alternatives: "an additional decrease in" or "a continued decline in".
Criminal barristers say fees have fallen by 40% since 1998; they now face a further reduction of an average 6%.
This latter operates as a biological membrane leading to a further reduction of the effluent COD.
With $1.9bn left in the emissions reduction fund, the government could only meet a further reduction of 135m if the price stays at $13.95 per tonne.
"We are hopeful that this will have a measurable effect in a further reduction of gun violence and murder," he said.
Announcing a further "reduction of your sentence by reason of your guilty plea and genuine remorse", he gave them between 12 months and six years.
And the slowing growth of wages and inflation suggested that the Bank of England might follow the United States Federal Reserve in a further reduction of interest rates.
For beleaguered liberals, the killing is a sign of growing intolerance and a further reduction of the already limited space for expression of progressive ideas.
van der Kwast, T. H. et al. Prolonged neoadjuvant combined androgen blockade leads to a further reduction of prostatic tumor volume: three versus six months of endocrine therapy.
The project faded, however, and in 1531 Zwingli urged on the alliance a further reduction of the forest cantons.
It has also shown that identification and quantification of exergy losses can support the further improvement of energy system configurations, leading to a further reduction of exergy losses and thus a further reduction of high quality energy use.
Hence, upon creating a loop concept based on nitrite, a further reduction of the COD/N ratio would be possible.
