@inproceedings{paperid:1029788, author = {Jahan, Mohsen and -, - and Amiri, Mohamad Behzad}, title = {Effects of winter cover crops in a reduced tillage cropping system on PGPRs activities and soil N levels in simultaneous application of organic manures in a low input production system of Cucurbita pepo L.}, booktitle = {13th Congress of the International Society for Ethnopharmacology}, year = {2012}, location = {Graz}, keywords = {Pumpkin; Summer Squash; Essential Oil; Prostate; Vitamine E; Ecological Production}, }