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hua jiao gen xi chui zhi fen bu gui lv yan jiu
Author(s): 
Pages: 10-11
Year: Issue:  5
Journal: Practical Forestry Technology

Keyword:  花椒根系垂直分布规律;
Abstract: 通过对花椒短枝型新品种——秦安一号与当地品种刺椒根系垂直分布规律的对比分析,结果表明:两品种侧根均较发达,在0~60 cm土壤剖面中,94%以上的侧根为根径小于2mm的毛根;2个品种均为浅根性树种,90%以上的侧根分布于0~100 cm的土层中;在耕作层(0~30 cm),秦安一号的根数累计为27.43%,剌椒为45.28%;秦安一号70%以上的根系分布在耕作层下,抗旱性较刺椒强.
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