机译:一项为期 12 年的灌溉研究中的保护管理和作物轮作对杂草种群的影响
Weed Scientist, Senior Research Technician, Soil Scientist, and Soil Microbiologist, Agriculture and Agri-Food Canada, 5403 1st Avenue South, Lethbridge, Alberta, Canada, T1J 4B1;
Compost manure; cover crop; reduced tillage; soil conservation; weed density; weed diversity; weed seedbank.;