Sentences with phrase «extensive use of herbicides»
Large industrial monoculture farming practices that include no fallow time or alternating crops with the extensive use of herbicides and pesticides are rightly blamed for this lack of minerals.
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The loss of milkweed plants due to extensive herbicide use and changes in farming practices, such as the widespread adoption of herbicide - resistant crops, has been identified as a major contributing factor of monarch's decline in the eastern U.S. Disease, climate change, widespread insecticide use, and loss or degradation of nectar - rich habitat may also be contributing to declines.