Usman, K., Khan, S. M., Awan, I., Ghulam, S., Khan, M. U., Khan, M. A., & Rehman, A. u. (2012). Tillage and Seed Rate Impact on Wheat Yield, Soil Organic Matter and Total Soil Nitrogen under Rice-Wheat Cropping System in Northwestern Pakistan. Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist).
Chicago-Zitierstil (17. Ausg.)Usman, Khalid, Said Mir Khan, Inayatullah Awan, Said Ghulam, Muhammad Umar Khan, Muhammad Anwar Khan, und Aziz ur Rehman. "Tillage and Seed Rate Impact on Wheat Yield, Soil Organic Matter and Total Soil Nitrogen Under Rice-Wheat Cropping System in Northwestern Pakistan." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) 2012.
MLA-Zitierstil (9. Ausg.)Usman, Khalid, et al. "Tillage and Seed Rate Impact on Wheat Yield, Soil Organic Matter and Total Soil Nitrogen Under Rice-Wheat Cropping System in Northwestern Pakistan." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist), 2012.