Núñez Escobar, Roberto. <br/><br/>
Plant population, row with and nitrogen rate as factors influencing yield, leaf area, nitrogen uptake and other characteristics of corn 

 - Raleigh, N. C. :  The author,  1967 
 - 144 h.  ; gráfs. 
<br/><br/>Tesis (Doctor of Philosophy) -- North Carolina State University. Dept. of Soil Science 
<br/><br/><label>LCCN: </label>33215 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Maíz, nitrógeno en.<br/>Maíz--Espaciamiento.<br/>Maíz--Fisiología y morfología.<br/>Maíz--Rendimiento.