00593nam a22001577a 4500003000800000005001700008008004100025040002100066082001600087245011900103260004300222300002900265500008600294504004100380650001400421BD-DhUL20160816125433.0160816s1983    b  a|||| m||| 00| 0 eng |  aBD-DhULcBD-DhUL  a584.64bSTU00aA syudy on duckweeds as a potential nitrogen source and its effect on the growth and yield of paddy /h[MS Thesis]  aDhaka : bUniversity Of Dhaka, c1983.  a107 p. :bill. ;c30 cm.  aThesis (MS )-- Department of Soil, Water & Environment, University of Dhaka,1983.  aIncludes bibliographical references.00aDuckweeds