यथास्वं भूमिषु च स्थाल्याश्चानूप्याश्चौषधीः स्थापयेत् ॥ कZ_०२.२४.२३ ॥
yathāsvaṃ bhūmiṣu ca sthālyāścānūpyāścauṣadhīḥ sthāpayet
He should establish medicinal plants according to the soils proper to each—both in dry (upland) tracts and in marshy/wet tracts, as suited to each species.
It maximizes yield and reliability of supply, especially for state-controlled medicinal and strategic resources, by aligning cultivation with ecological suitability.