Abstract

A field experiment was conducted during two rabi seasons of 2010–11 and 2011–12 to study the integrated nutrient management in groundnut (Arachis hypogaea) at Agricultural Technical School (Dr. B. S. Konkan Krishi Vidyapeeth Dapoli, Maharashtra) farm, campus-Deodhe (Lanja), district Ratnagiri, Maharashtra, India. Successive increase in fertility levels up to 125% RDF significantly increased plant height, number of branches/plant, dry matter accumulation, number of pods/plant, pod weight/plant, kernel weight/plant, total protein content, oil content, pod, haulm and kernel yields and available N and K status. The crop fertilized up to 100% RDF significantly increased shelling out-turn as well as available P status and was at par with 125% RDF. Inoculation of groundnut with Rhizobium and PSB significantly enhanced dry matter accumulation, total protein content, all yield attributes (number of pods, pod weight and kernel weight/plant), yield and available N and P status over control (no biofertilizers). Treatment 125% RDF as well as biofertilizers significantly increased the net returns and benefit: cost ratio over rest of the lower treatments.