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Cannabis plants, which can become industrial hemp, medical marijuana and cannabidiol oil, can absorb heavy metals from the soil. That makes them useful for remediating contaminated sites. But it also may make cannabis dangerous for people who ingest it.

Reducing the amount of nitrogen that crops need to reach their maximum yield potential is the aim of researchers in Nebraska and Alabama. Recent price increases for nitrogen fertilizer underscore the need for new crop varieties that can produce more grain from less fertilizer.

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A Kansas State University plant pathologist says researchers and producers need to work together to control a soil-borne disease in soybeans that can rob that crop of yields.

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Development of a tool to accelerate breeding of legumes and sorghum is the aim of researchers from the University of California-Davis. The researchers recently were awarded a $6.5 million grant from the Bill and Melinda Gates Foundation to use 3-D modeling, artificial intelligence and crop genetics to develop the tool.