TY - BOOK AU - Hayes, Herbert Kendall AU - Immer, Forrest Rhinehart TI - Methods of plant breeding T2 - McGraw-Hill publications in the agricultural sciences U1 - 631.53 HAY PY - 1942/// CY - New York PB - McGraw Hill Book Company KW - Agricultural genetics KW - Crop improvement KW - Agronomy N1 - Includes index ER -