The accuracy of root-uptake-water model depends on the relationship of root-water-uptake rate and root length density to a certain extent.
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。
Based on the measured data from the winter wheat fields in Zhengzhou of Henan Province, the vertical distribution of root length density(RLD)and root mass density(RMD)were analyzed.
根据在郑州进行的冬小麦根系田间实测资料，研究了根长密度和根质量密度在砂壤土中的垂直分布。
Results showed that the root dry weight, root weight density, root length, root length density and root diameter were increased with the evolution of the cultivars at main growth stages.
结果表明，在各主要生育期，根干重、根重密度、根长、根长密度和根直径随品种演进增加或显著增加。
Root length density varied with fertigation frequencies, and the ratio of root length for different soil layers to the total root length in the profile varied with fertigation strategies.
施肥频率对根密度的影响主要是引起各土层根密度大小的变化，运行方式则对各土层根长占整个剖面根长总和的比例产生影响。
Root length density varied with fertigation frequencies, and the ratio of root length for different soil layers to the total root length in the profile varied with fertigation strategies.
施肥频率对根密度的影响主要是引起各土层根密度大小的变化，运行方式则对各土层根长占整个剖面根长总和的比例产生影响。
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