谷类作物的须根系主要由不定根组成，在营养物质和水分吸收中发挥重要作用。
The fibrous root system in cereals comprises primarily adventitious roots (ARs), which play important roles in nutrient and water uptake.
不定根组成了禾本类作物的须根系，对水分和养分的吸收起着关键的作用。
Adventitious roots are vital for water and nutrient assimilation by cereal crops because they comprise the bulk of the fibrous root system.
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