Temporal and spatial distribution of roots and competition for nitrogen in pea-barley intercrops – a field study employing 32P technique 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Temporal and spatial distribution of roots and competition for nitrogen in pea-barley intercrops – a field study employing 32P technique

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收稿时间：	2008-07-16
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