Effect of nano-multi micronutrients on growth, quality and economics of French bean

Micronutrients plays a vital role in enzymatic activity in plants and thus have influential role in growth and superiority of fruit. The research was carried out at SHUATS, Prayagraj during the Rabi season of 2021 and 2022. The research was conducted with aim to study the effect of nano mixed micronutrients on growth, quality, and economics of French bean variety “Arka Komal”. The experiment was set up using a FRBD one factor being application of nano mixed micronutrients and other being application of nano fertilizers. The nano mixed micronutrients given were M0-control; M1- 0.2ml/ L of nano mix micronutrient/L of water as foliar application; M2- 0.4ml/L of nano mix micronutrient/ L of water as foliar application; M3 -0.6ml/ L of nano mix micronutrient/L of water as foliar application. The nano-fertilizers treatment given were F0– Control (without fertilizer); F1- 100% RDF as traditional fertilizer; F2-5ml/ L each of Nano NPK/ L of water as foliar application; F3- 4ml/L each of Nano NPK/ L of water as foliar application; F4- 3ml/L each of Nano NPK/ L of water as foliar application. 50% traditional fertilizers were applied in all treatments excluding control. From above experimental findings it was concluded that treatment M3 performed best for growth parameters like plant height; leaf area and pod yield per hectare studied in French bean. M3 performed best for quality parameters like TSS; ascorbic acid content. It also had highest BC ratio (3.07) among various treatments.