Chitwan. While volumes of agricultural research remain shelved in libraries across Nepal, a retired professor has taken his own invention directly to the fields.The 'Kachalka' (Discrete Irrigation System) developed by Prof. Dr. Bhagwan Das Manandhar, who taught at the Institute of Agriculture and Animal Science for 23 years, has become a topic of discussion in Bharatpur-16, Bijaynagar, Chitwan. Adapting a technology he first encountered during his PhD studies in Russia in 1993, Manandhar has successfully demonstrated its effectiveness by cultivating lemon on his own four-kattha plot of land.Typically, traditional irrigation methods lead to significant water wastage and inconsistent hydration for...