Earthworms Increased Rape Seed Yield and Colza Oil

文献类型： 外文期刊

第一作者： Zhang, Shu-jie

作者： Zhang, Shu-jie;Liao, Xing;Hu, Xiao-jia;Yu, Chang-bing;Xie, Li-hua;Li, Yin-shui;Che, Zhi;Liao, Xiang-sheng

作者机构：

关键词： Field experiment;Nitrogen;Oil content;Vegetative growth;Yield component

期刊名称：2013 THIRD INTERNATIONAL CONFERENCE ON INTELLIGENT SYSTEM DESIGN AND ENGINEERING APPLICATIONS (ISDEA)

ISSN：

年卷期： 2013 年

页码：

收录情况： SCI

摘要： A field experiment was conducted to investigate the effects of earthworms (Metaphire guillemi) on the seed yield and oil production of winter oilseed rape (Brassica napus L. cv. Zhongshuang No. 9), which was included inoculated with (E) or without (CK) earthworms treatments in three replicates. The result showed that earthworms significantly increased the seed yield of winter oilseed rape by 23.9% for individual plant and by 30.2% for whole plot levels, which might be due to earthworms significantly increased the pod numbers per plant (42.9%) compared with CK. The present study also showed that, although the seed oil content was significantly decreased by 4.8%, the oil production of winter oilseed rape was significantly increased at both the individual plant (18.1%) and whole plot (24.2%) levels since the increase in seed yield over-rode the decrease in oil content due to earthworm presence. The increased of plant growth and nitrogen (N) accumulation during the vegetative growth stages, and the increased translocation of N to seed during the maturation stages, because earthworms, might be responsible for the increased seed yield and oil production of winter oilseed rape.

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