ततोऽर्धमापदर्थं जानपदानां स्थापयेदर्धमुपयुञ्जीत ॥ कZ_०२.१५.२२ ॥
tato'rdham āpadarthaṃ jānapadānāṃ sthāpayed ardham upayuñjīta
Of these supplies, he should set aside half as an emergency reserve for the countryside (jānapada), and utilize the other half for current needs.
It balances present expenditure with future shock-absorption, preventing total depletion of stocks and enabling rapid relief during famine, siege, or disruption.