1. Anonymous, Package of practice for maize crop (2015). http://kvk.icar.gov.in/API/Content/PPupload/k0162_3.pdf
2. D.M. Mutyambai, E. Bass, T. Luttermoser, K. Poveda, C.A. Midega, Z.R. Khan, A. Kessler, More than “push” and “pull”? plant-soil feedbacks of maize companion cropping increase chemical plant defenses against herbivores. Front. Ecol. Evol. 7, 217 (2019)
3. J.O. Awulu, P.Y. Sohotshan, Evaluation of a developed electrically operated knapsack sprayer. Int. J. Sci. Technol. 2(11), 769–772 (2012)
4. M.H.R. Alheidary, Effect of the operating pressure and nozzle height on droplet properties using knapsack sprayer. Iraqi J. Agric. Sci. 49(3), 360–366 (2018)
5. B.D. Ghugare, S.H. Adhaoo, L.P. Gite, A.C. Pandya, S.L. Patel, Ergonomics evaluation of a lever-operated knapsack sprayer. Appl. Ergon. 22(4), 241–250 (1991)