6643 1 archive 3206 disk0/00/00/66/43 2006-05-11 2009-08-20 14:29:20 2009-08-20 14:29:20 researchprogramme show 0 883000 fr-adar part 0 298000 585000 2007-12-31 2005-01-01 FALSE Gautronneau Yvan 5soil tillage, optimisation, ploughing This part of the program (1 project) is about of the construction of tools for strategic decision-making aid on the soil tillage in organic farming, taking into account adventitious control and integrating the various functions of the soil. none