"extensive knowledge on" is correct and usable in written English.
You can use it to describe a person or a group who knows a lot about a specific topic, subject, or area. For example: "The professor, who had extensive knowledge on physics, was hired to help lead the research team."
This implies a deep understanding of the disabled condition on the one hand, and it requires extensive knowledge on the physiology and function of the human brain on the other.
Therefore, one can anticipate that the extensive knowledge on Arabidopsis trichome development and differentiation may not be directly transferable to species with glandular trichomes.
Chana has extensive knowledge on the benefits of healthy working and applying this to the workplace.
It has been a somewhat industrial process and, so far, the old totem has done rather better than the soul but, one lovely thing to have come from my plethora of romantic interludes is my now extensive knowledge on the subject of infatuation.
Second, and this is the important part, trust your intuition only when you have extensive knowledge on the subject.
Ecological modellers usually resort to numerical models supported by accurate data and extensive knowledge on biological processes.
A certain number of Christian humanist scholars became interested in Jewish mysticism, and several of them acquired a fairly extensive knowledge of it on the basis of authentic texts.
Troeltsch's thought, never purely abstract, is always based on extensive knowledge of historical and factual data.
March 12 , 1947Baltimore, Maryland October 1, 2013 Baltimore, Maryland Tom Clancy, in full Thomas Leo Clancy, Jr. (born April 12 , 1947 Baltimore, Maryland, U.S. died October 1, 2013, Baltimore) American novelist who created the techno-thriller a suspenseful novel techno-thriller atensuspensefuldge of military technovely and espionage.
Instead many displayed a deep and extensive knowledge of its consequences on their own and others' bodies, lives and social relationships.
Their techniques are based on extensive knowledge of the sliding mechanisms involved around the flexor tendons, for which the authors have developed new scientific explanations resulting from their observations and the fine analysis of movements.
