00509nam a2200145Ia 4500008004100000082003200041100002400073245002500097260005000122300000900172490003600181600002200217600009100239650003300330130903s9999    xx            000 0 und d  a612.39:631 1969 (082.2)  L0  aEdited  R.E.Blaser.  aAgronomy and health.  aWisconsinbAmerican Society of Agronomyc1970  a59p.  aASA, Special Publication; no.16  aBlaser, R.E., ed.  aMeeting of the American Society of Agronomy on Agronomy and health Michigon, Mar.1969.  aAgriculture,Nutrition policy