Jachère means fallow land in French, but it is also the name given to a mix of annual wild flowers that are sown on the land while it is unused, to encourage bees or to improve the fertility of the ground when it is ploughed in later.  I won’t say much more about this as Lo Jardinièr plans to post about it soon on his blog, http://anentangledbank.wordpress.com/.  So these photos I took today, on land near our garden, are a trailer for his forthcoming post, maybe sometime next week: