Agni Purana — Ayurveda, Shloka 8
Vṛkṣāyurveda (The Science of Plant-Life) — Tree Placement, Muhūrta, Irrigation, Spacing, and Plant Remedies
वर्षारत्रौ भुवः शोषे सेक्तव्या रोपिता द्रुमाः उत्तमं विंशतिर्हस्ता मध्यमं षोडशान्तरम्
varṣāratrau bhuvaḥ śoṣe sektavyā ropitā drumāḥ uttamaṃ viṃśatirhastā madhyamaṃ ṣoḍaśāntaram
雨季において、また地面が乾いたときには、植えた樹木に灌水すべきである。最上の間隔は二十ハスタ（hasta）、中ほどは十六ハスタの隔たりである。
Lord Agni (in instruction to Sage Vasiṣṭha, typical Agni Purāṇa dialogue frame)
Vidya Category: {"primary_vidya":"Vastu","secondary_vidya":"Arthashastra","practical_application":"Public-welfare arboriculture: irrigation scheduling and optimal spacing for planted trees to ensure survival and growth.","sutra_style":true}
Encyclopedic Reference: {"reference_type":"Procedure","entry_title":"Tree-watering schedule and spacing (20/16 hasta)","lookup_keywords":["vṛkṣāropaṇa","watering rainy season","tree spacing hasta","public welfare planting","irrigation when soil dry"],"quick_summary":"Water planted trees during rains as needed and whenever the soil dries; maintain 20-hasta spacing for best growth, 16-hasta as medium standard."}
Concept: Sustaining life through responsible cultivation—planting must be paired with ongoing care and proper planning (māna/spacing).
Application: Implement measured spacing and timely watering to maximize survival rates and long-term canopy/fruit yield.
Khanda Section: Vṛkṣāropaṇa-vidhi (Vastu/Agro-forestry & public welfare injunctions)
Primary Rasa: shanta
Secondary Rasa: adbhuta
Visual Art Cues: {"scene_description":"A plantation layout with measured gaps between saplings; workers watering trees during rains and again when soil dries; measurement shown as hasta units.","kerala_mural_prompt":"Kerala mural, rhythmic rows of saplings with clear spacing; villagers carrying water pots, rain clouds above; a measuring rod indicating 20-hasta and 16-hasta intervals; lush green palette.","tanjore_prompt":"Tanjore painting, stylized garden grid with gold-highlighted measuring marks; attendants watering saplings; decorative border with rain motifs; emphasis on auspicious public welfare scene.","mysore_prompt":"Mysore painting, technical instructional scene: top-down garden plan with labeled distances (20 hasta best, 16 hasta medium), side vignette of watering when soil cracks; clean lines and soft colors.","mughal_miniature_prompt":"Mughal miniature, detailed orchard planning in a walled garden; surveyor measuring distances, gardeners watering; monsoon sky in background; precise depiction of spacing and tools."}
Audio Atmosphere: {"recitation_mood":"instructional","suggested_raga":"Desh","pace":"medium","voice_tone":"instructional"}
Sandhi Resolution Notes: वर्षारत्रौ = वर्षा+ऋतौ; विंशतिर्हस्ता = विंशतिः+हस्ताः; षोडशान्तरम् = षोडश+अन्तरम्.
Related Themes: Agni Purana 281 (vṛkṣāropaṇa and vṛkṣāyurveda instructions in adjacent verses 281.9–281.10)
FAQs
It gives practical vṛkṣāropaṇa guidance: irrigate planted trees during the rains and whenever the soil dries, and maintain measured spacing—20 hastas for optimal growth and 16 hastas as a moderate standard.
Beyond theology, it preserves applied standards of land-care—irrigation timing and calibrated planting distances—showing the Purāṇa as a manual of civil, environmental, and household management alongside ritual topics.
Tree-planting and sustaining growth through proper watering is treated as dharmic public welfare; careful maintenance (not merely planting) supports puṇya by benefiting living beings through shade, fruit, and ecological stability.