Nayak, Mahendra KumarLal, Bharat2018-03-132018-03-132017http://krishikosh.egranth.ac.in/handle/1/5810041734ennullEfficacy of newer insecticides alone in combination with NSKE (Neem Seed Kernel Extracts) against mustard aphid, Lipaphis erysimi (Kalt.) and their effect on natural enemiesThesis