na INLIS000000000002325 Ind 0010-1118002325 Permanent beds and rice-residue management for rice -wheat systems in the Indo-Gangetic plain: proceedings of a workshop held in Ludhiana, India, 7-9 September 2006 WORKSHOP ON PERMANENT BEDS AND RICE-RESIDUE MANAGEMENT FOR RICE-WHEAT SYSTEMS IN THE INDO-GANGETIC PLAIN (2006: Ludhiana, India) editors E. Humphreys; C.H. Roth Canberra ACIAR 2008 192 p. : ill. : 24 cm.-- 192 p. : ill. : 24 cm.-- Sr.633.11/.18 Incl.: bibl. 633.11/.18 TRITICUM AESTIVUM ORYZA SATIVA RESIDUES MANAGEMENT 313/MS/2008-mfn3966 313/MS/2008-mfn46557