Long-term tillage and rotation effects on soil seedbank characteristics

alfalfa avena sativa avenas avoine banco de semillas del suelo biodiversidad biodiversity chenopodium chenopodium album cropping systems dynamique des populations foin glycine max graine hay heno labranza lucerne luzerne mais maize malezas mauvaise herbe medicago sativa oats population dynamics rotation culturale rotational cropping seeds semilla setaria (graminea) setaria (graminee) setaria (grass) sistemas de cultivo soil seed banks soja soybeans species diversity stock semencier du sol tillage travail du sol weeds zea mays