Karkee, Suraj Singh, Shrawan Kumar Sah, Santosh Marhatta, Suman Dhakal, Manoj Kandel, and Jiban Shrestha. 2019. “Nitrogen Uptake and Economics of Black Rice (Oryza Sativa L. Indica) under Different Crop Geometries and Nitrogen Management Practices”. Archives of Agriculture and Environmental Science 4 (2):171-76. https://doi.org/10.26832/24566632.2019.040207.