Sharma, A., Kachroo, D., Puniya, R., Sharma, N., Mahajan, A., & Stanzen, L. (2016). Performance of spring maize (Zea mays L.) varieties under varying plant rectangularity and fertility levels. Annals of Agricultural Research, 37(3). https://epubs.icar.org.in/index.php/AAR/article/view/62768