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通过长日型洋葱各生长时期氮、磷、钾在其组织内的积累分析与研究,探讨长日型洋葱主要养分的需求规律,以提供洋葱施肥的科学依据。
Through the accumulation analysis and research of nitrogen, phosphorus and potassium in longissimus onion in different growth stages, the law of demand of main nutrients of long-day onion was discussed in order to provide the scientific basis for the onion fertilization.