00956cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035001900092040004500111042001200156050002000168082001400188110003400202245008200236250002400318260009000342300004400432504006700476650003500543700005000578710004500628999001700673agr50000006 DLC20260227111012.0750915s1949 dcua b 100 0 eng c aagr50000006  a(OCoLC)1627001 aU.S. Dept. of Agr. Libr.cFMdOCoLCdDLC apremarc00aQK867b.A5 1949 a581.130822 aAmerican Society of Agronomy.10aHunger signs in crops;ba symposium,cprepared by Firman E. Bear [and others. aRev., i.e. 2d, ed.] aWashington,bAmerican Society of Agronomy and National Fertilizer Associationc[1949] axvi, 390 p.billus. (part col.)c27 cm. a"Selected references" at end of each chapter except the first. 0aDeficiency diseases in plants.1 aBear, Firman E.q(Firman Edward),d1884-1967.2 aNational Fertilizer Association (1925- ) c11084d11084