Enhancing the nutrient use efficiency (NUE) in rice based food production systems of south konkan coastal zone of Maharashtra has always been an area of great focus as costs of production is increasing which ultimately results in reducing the productivity of the area and reduce the response of crop to recommended nutrient management. An experiment „On farm assessment of plant nutrients in rice –horse gram cropping systems‟ were conducted during the year 2017–18 through farmer participatory approach in rice based food production systems of south konkan coastal zone of Ratnagiri district of Maharashtra. | On-farm assessment of balanced crop nutrition on productivity and nutrient use efficiency in rice Oryza sativa L. Horse gram Macrotyloma uniflorum Lam. Verdc Cropping System in South Konkan Coastal Zone of Maharashtra