结果表明：紫花苜蓿根系吸水速率与土壤剖面含水量和根重密度密切相关。
The results of this analysis showed a significant correlation of water uptake rate with soil profile water content and root weight density.
根系吸水模型的准确性在一定程度上依赖于根系吸水速率与根长密度关系的研究。
The accuracy of root-uptake-water model depends on the relationship of root-water-uptake rate and root length density to a certain extent.
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