Avin Kharel

agriculture deep litter poultry cost estimate snf% siudibar lamjung visit fat lactose anmc arava dairy industry management quality soil iaas lamjung campus rearing life cycle 7-spotted ladybird beetle envrionment test biology bio assay issues development problems environment entomology science soil fertility sulphur nutrient deficiency quality seed self sufficiency food security covid-19 types of water erosion losses and control measures of erosion mechanism of wind and water erosion wind erosion water erosion soil erosion erosion