Dr. Rajendra Prasad Central Agricultural University, Pusa Search for 'au:"Collings, Gilbeart H."'

Commercial Fertilizers : their sources and use / by Gilbeart H. Collings

By Collings, Gilbeart H.. .- Bombay Tata McGraw-Hill Publishing 1955 . xi,617p.

By Collings, Gilbeart. H. Delhi Biotech Books 2002 . 521 8176220655

By Collings, Gilbeart H.. Bombay: Tata McGraw-Hill Publishing, 1955 . 617 p.

By Collings, Gilbeart H. Bombay: Tata McGraw-Hill Publishing; 1955 . xi,617 p.