Proceedings of first national workshop on long-term soil fertility experiments, 11-13 August 1998 [printed text] / Maskey, S.L., Editor; Tripathi, B.P., Editor; Regmi, A.P., Editor; Tuladhar, J.K., Editor; Adhikary, B., Author. - Lalitpur : NARC, 1998. - 229 p.