WU, LAN FANG, and ZHU OUYAN. “Effect of Long-Term Fertilization on Soil Fertility of Wheat (Triticum Aestivum )-Corn (Zea Mays ) Double Cropping System in China”. The Indian Journal of Agricultural Sciences 76, no. 9 (January 11, 2011). Accessed July 24, 2026. https://epubs.icar.org.in/index.php/IJAgS/article/view/3059.