【摘要】 1995—2003年采用定点定期采样系统调查与室内测定相结合的方法,针对连作大豆土壤营养含量、病虫基数与植株体营养,生物学性状、病虫草发生及产量品质的关系进行了研究,并对各相关性状间的关系进行了系统的统计分析,建立了数学模型,对指导大豆的高产优质栽培具有重要的意义。更多还原

【Abstract】 This article means to make a research on the relation of the content of continuous-soybean field nutrition, pests number against plant body nutrition, biology properties, the happening of plant and pest diseases and output quality by using the method of system investigation of fixed samples and indoors test from 1995 to 2003. Also, this article analyses systematically the relation of interrelated properties and sets, which has a significance to high yield and grade planting of soybean.更多还原