Irrigation and the strategic planning thereof play a pivotal role in diverse hydrological inquiries. with reference evapotranspiration (ETo) standing as a paramount variable within this domain. While the equation (FAO-56 PM)is extensively employed for (ETo)estimation. its dependence on numerous weather datas such as solar radiation. https://fitnessgravesyardes.shop/product-category/cam-pulley-assembly/