00767nam a22002177a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093100003200102245014000134260004000274300002300314502009100337650002800428650002700456650004100483650002500524CHAP20220329135238.0971013s1967            r     00010     d  a33215  a34187  a38303  cCHAP00aNúñez Escobar, Roberto.  aPlant population, row with and nitrogen rate as factors influencing yield, leaf area, nitrogen uptake and other characteristics of corn  aRaleigh, N. C. :bThe author,c1967  a144 h.b; gráfs.  aTesis (Doctor of Philosophy) -- North Carolina State University. Dept. of Soil Science14aMaíz, nitrógeno en.14aMaízxEspaciamiento.14aMaízxFisiología y morfología.14aMaízxRendimiento.