Row crop cultivation of cereals and cover crops requires cover crop species that can tolerate driving during the harvest of the main crop and that do not have regrowth in the following crop.
Solution
Cover crops sown in the main crop, either at the same time as or later, e.g. in a row crop, will in connection with harvest will be chopped off and there will be traffic. Recent experiments have shown that not all species handle this treatment equally well.
Description
Species tolerance to traffic in the field - The ability of cover crops to tolerate mechanical damage during the harvesting process is important to realize the benefits of cover crops in row crop system. There are large differences in the tolerance of cover crop species to mechanical damage by field traffic at harvest (table 1). Some species (e.g. vetch and oilseed rape) are heavily by a single pass and are therefore only relevant to only relevant to work with where the need for overdriving during and after harvest is very limited. In contrast, grasses, lance plantain and chicory are much more suitable for the row cropping system as they suffer limited damage from over-driving, and even some of some of the species even show increased growth after over-driving.
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