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.
冠状根是须根系的主要组成，对作物的固着和养分、水分吸收有着重要意义。
Crown roots are main components of the fibrous root system and important for crops to anchor and absorb water and nutrition.
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.
根系类型(直根还是须根)和根系密度。
影响须根量的因素，除植被因素外，与土层厚变显著正相关，深厚土壤有利于植物根系的生长发育。
The factors affecting fibrous roots size besides the planting vegetation, it has signal positive correlation to thickness of soil, thick soil is good to the growth and development of plant roots.
影响须根量的因素，除植被因素外，与土层厚变显著正相关，深厚土壤有利于植物根系的生长发育。
The factors affecting fibrous roots size besides the planting vegetation, it has signal positive correlation to thickness of soil, thick soil is good to the growth and development of plant roots.
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