Show Nebraska Radio-Active Radio Phosphorus Test Planned o Oa Oz fertilizer tests with radioactive radio ac tive Uve phosphorus are sla slated ted for seVeral seVeral several sev seV- eral places in Nebraska this spring Robert A. A Olson who will be in ID harge of the tests said the investigation investigation investigation in in- will be made to find how much phosphorus delivery power there is in several Nebraska ka soils Tests will also show what proportions prop of t the h e phosphorus which is used by oats comes from the soil |