The synergism of soil solarization with fumigant nematicides and straw for the control of Heterodera carotae and Ditylenchus dipsaci [in onion and carrot, Italy]

allium cepa control de nematodos controllo dei nematodi daucus carota dazomet ditylenchus dipsaci essai fenamifos fenamiphos fumigant fumigantes fumiganti fumigants heterodera carotae italia italie italy nematicides nematocidas nematocide nematocidi nematode control paglia paglia di frumento paille paja paja de trigo phenamiphos prove pruebas racine radici roots sinergismo straw synergie synergism trials wheat straw