@unpublished{TUW-282359, author = {Wawra, Anna and Sand{\'e}n, Taru and Spiegel, Heide and Xaver, Angelika}, title = {Results of an Austrian tillage trial using the Parrot sensors}, year = {2019}, note = {talk: GROW Insights Workshop 2019, Lisbon, Portugal; 2019-09-16 -- 2019-09-19} }