Das, N MThomas, M JKAU2019-07-182019-07-181977Agricultural Research Journal of Kerala, 15(1), 104-105.http://krishikosh.egranth.ac.in/handle/1/5810115414ennullEffect of water level in rice fields on the population build up of the brown plant hopper, Nilaparvata lugens and on the incidence of hopper burnArticle