# The effects of shading and defoliation on the nodulation and nitrogen fixation of white clover (Trifolium repens L.)

> 1971 master's thesis by Alexander Cheong Ping Chu at Massey University

**Wikidata**: [Q112837767](https://www.wikidata.org/wiki/Q112837767)  
**Source**: https://4ort.xyz/entity/the-effects-of-shading-and-defoliation-on-the-nodulation-and-nitrogen-fixation-of-white-clover-trifolium-repens-l-


## References

1. [Source](http://hdl.handle.net/10179/10234)