वृक्षायुर्वेद (सुरपाल - प्राचीन भारतीय पादप-विज्ञान, कृषि एवं वृक्ष-चिकित्सा सटीक)

Plant indicators for crop and animal
production
320. Where there is nyagrodha tree the land is fit for
producing barley crop, where there is growth of tinduka
trees the land is good for sastika (a rice variety that
matures in 60 days) and where there is an asvattha tree
the land indicates production of all types of crops.
321. The growth of the jambu trees indicates that the
land is favorable for growth of black gram and sesame,
that of sirisa trees indicates favorability for green gram,
that of madhuka indicates favorability for wheat, and the
growth of saptaparna, favorability for barley.
322. The growth of hastikarna trees indicates the
existence of elephants while that of asvakarna tree
(name refers to leaf shape) indicates the existence of
horses. Growth of patala trees indicates abundance of
cows. The plantains indicate the profuseness of sheep
and goats.
323. Mango trees indicate happiness, bhallataka fear,
while the palm trees indicate health. Khadira and sami
indicate famine, while arjuna gives satisfactory rain.
324. The blossoms of picumanda and naga ward off
famine, kapittha suggests cry of hunger. The nicula tree
indicates fear of dry spell or epidemics.
325. Thus Surapala, the expert of medicine whose
glorious success had spread all over the world,
composed this work of Ayurveda of trees out of interest
and after mastering various skills of the profession
under the patronage of King Shri Bhimapala who was
the leader of the valiant.
Thus ends the Vrikshayurveda.
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