India, Oct. 24 -- Mysuru, Oct. 24 - Sri Chamarajendra Zoological Gardens in Mysuru is quietly nurturing a farmer's best friend - earthworm compost, affectionately dubbed "Raithana Mitra" (farmer's friend).

Produced from animal waste generated within the Zoo, this organic fertiliser is witnessing steadily rising demand as farmers seek sustainable alternatives to chemical fertilisers that degrade soil fertility.

For several years, the Zoo has operated a vermicompost production unit on its premises. Nearly two tonnes of animal waste - primarily from elephants, rhinos, hippos, and bison - are collected daily and processed over a 40-day cycle.

The waste is first cleaned of debris, soaked for two days to reduce heat and then seeded with eart...