you might want to check this out:
http://www.muslimheritage.com/article/gleanings-islamic-contribution-agriculture
There is a french translation too, can't find an english one though...
"Some extracts from Ibn al-‘Awwām have been translated into English and published as:
Lord, P. (trans) (1979). A Moorish Calendar: from the Book of Agriculture of Ibn al-Awam. Wantage: The Black Swan Press"
and you could read this:
Butzer, K. (1994). ‘The Islamic Tradition of Agroeconomy: cross-cultural experience, ideas and innovations’.Ecumene 1,pp.7-50. The_Islamic_Traditions_of_Agroecology_Crosscultural_Experience,_Ideas_and_Innovations.pdf:
the islamic traditions of agroecology