Copyright notice.
	© Copyright Pietro Baruffaldi 2000-2011. I-35045 Ospedaletto Euganeo (Padova) Italy
	You are permitted to freely quote parts of this work, provided you properly credit the source.
	Release 11.1, 2010-02-16. Release 11.2, 2010-06-21. Release 12.0, 2011-11-14. Release 12.1, 2012-01-30.
	All of them registered with “The UK Copyright service”; registration no: 315524.
	Warning.
	The methods of treating the seeds presented at the chapters 2 and 3 are not patentable, because of two reasons. They are discoveries, not inventions. They have been of public domain and in use since 2005. So, they can be applied freely.
	To contact me
	pietro@tournesol.net