The phrase "the practical need" is a correct and usable phrase in written English.
You can use it in scenarios where a tangible need arises in a practical way. For example, "The practical need for additional resources became apparent as the team grew in size."
They are willing to offend teachers' unions but recognize the practical need to work closely with them.
Wind loads were not yet understood in any theoretical sense, but Roebling recognized the practical need to prevent vertical oscillations.
Despite the practical need for national defense, military officials were generally poorly treated, and this eventually led to a coup d'état, in 1170.
The attack on Westgate has earned him more support abroad, both in sympathy over the attack and in the way it highlighted the practical need for heads of state to be at home to govern their countries.
But with the clock ticking, Mr. Gore has been forced to focus on the task -- in part because of the practical need of a new president to fill 3,000 full-time jobs, and partly because of Mr. Gore's political needs.
He prefers the "big philosophical and historical questions about our vision for philanthropy in liberal democratic societies", while acknowledging the practical need for "what we might call 'philanthropic management' – professional education on strategic philanthropy and a focus on impact, metrics and grant-making techniques".
The protocol has been previously piloted to improve feasibility, with the present study based on the practical needs identified by practice nurses and general practitioners.
Practice shows that the system can meet the practical needs of information security assessment.
Instruction which meets the practical needs of the learners and delivered in ways concordant with the practice environment can be more likely to viewed as successful.
Addams had a keen eye for the practical needs of the poor.
It is, partly, the careful application of knowledge about the practical needs of plants.
