Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 9 · Vastu, Griha Pravesha
वास्तु गृहप्रवेशश्च
सुराणां स्थापनं तत्र कर्तुरिष्टार्थसिद्धिदम् ।निर्माणायतनग्रामगृहादीनां समासतः ॥ ५३९ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 539.
Then setting up the gods in that rising sign gives the doer the aim he wants. Now, in short, for building temples, villages, houses and the like:
Simple meaning: Then installing gods brings the doer what he wants. Next come rules for building temples and houses.
क्षेत्रमादौ परीक्षेत गंधवर्णरसांशकैः ।
Test a plot first by the smell, colour and taste of its soil.
सितं रक्तं च हरितं कृष्णवर्णं यथाक्रमम् ।
The soil colours are white, red, green and black. The tastes are sweet, pungent, bitter and astringent.
अत्यंतवृद्धिदं नॄणामीशानप्रागुदग्प्लवम् ।
A plot sloping north-east, east or north brings growth. Other slopes can bring loss.