# Some effects of nitrate and ammonium nitrogen on the mineral composition of pasture grasses

> 1966 master's thesis by Philip Roger Ball at Massey University

**Wikidata**: [Q112835638](https://www.wikidata.org/wiki/Q112835638)  
**Source**: https://4ort.xyz/entity/some-effects-of-nitrate-and-ammonium-nitrogen-on-the-mineral-composition-of-pasture-grasses


## References

1. [Source](http://hdl.handle.net/10179/13791)