Apart from reducing crop yields, broad-leaved weed infestations can slow down harvesting and contaminate the grain sample. In addition, the seed of most broad-leaved weed species is more persistent in the soil than that of grassweeds and will survive for 10 or more years. See the other articles in this four-part weed series: How to tackle 4 grassweeds causing increasing problems How to use integrated methods to control blackgrass Ways to cut the risk of herbicide-resistant weeds Therefore, preventing seed […]