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苹果-小麦复合系统中作物根系时空分布特征

, PP. 537-541

Keywords: 苹果-小麦复合系统,根系,时空分布特征

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Abstract:

本文对太行山低山丘陵区苹果-小麦复合系统内根系时空分布特征进行了研究。结果表明:复合系统内小麦吸水根根系在垂直方向上有根系密集区和根系稀疏区之分,分属0-40cm和40-80cm土层,分别占总量的81.93%和18.07%;在水平方向上,根量随带距的变化大致呈“两侧多、中间少”的分布趋势,并随生育期的延续,这种水平差异趋势越来越显著.

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