Deeper-Rooted Soybeans Could Boost Climate Resilience and Carbon Storage
Scientists are developing soybean varieties with vertical root systems that may better endure drought and lock carbon deeper in the soil.
In a research field, scientist Ashish Rajurkar kneels beside a soybean plant and lifts a large clod of soil tangled around its roots. As he knocks away the earth, the root system is revealed: it slopes straight down rather than spreading out to the side like typical soybean plants.
This unusual root architecture is the focus of efforts to develop soybeans that can withstand climate extremes. Deeper roots could give plants access to water during drought conditions, while also moving organic carbon deeper into the soil, where it may stay stored for a longer period.
The distinction between these plants and conventional soybeans is visible even in the field. Researchers hope the trait can be incorporated into commercial varieties, offering a potential path toward more resilient agriculture alongside a modest contribution to carbon sequestration.
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