From

Effect of Mulching and Different Doses of Phosphorous in Cowpea (Vigna unguiculata L.) Yield and Residual Soil Chemical Properties at Bhairahawa, Nepal

Anish Sapkota, Sanjok Poudel, Udaya Subedi, Ruchi Shrivastav, Janma Jaya Gairhe, Subodh Khanal, Keshab Raj Pande

World Journal of Agricultural Research. 2015, 3(5), 163-173 doi:10.12691/wjar-3-5-3