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Heterosis : a record of researches directed toward explaining and utilizing the vigor of hybrids / edited by John W. Gowen.
- 631.5233 H589
- Heterosis Conference (1950 : Iowa State College)
- Iowa State College Press,
- 1952.
- Ames :
-
Methodological procedures in the economic analysis of fertilizer use data / edited by E.L. Baum, Earl O. Heady [and] John Blackmore.
- 631.8 M5925
- Iowa State College Press,
- [1956]
- Ames :