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Evaluation system of wheat seedling condition before winter and suitable indexes in Jining regions
Author(s): 
Pages: 42-45
Year: Issue:  5
Journal: Shandong Agricultural Sciences

Keyword:  济宁地区小麦冬前苗情评估体系;
Abstract: 为了科学快速评估小麦冬前苗情及准确制定冬春管理技术对策,通过查阅历年技术档案、播期播量试验、地块跟踪调查和高产攻关田等方法,对济宁地区小麦冬前苗情评估体系及其适宜指标进行了研究.结果表明:冬前公顷总苗量、三叶以上大蘖、主茎叶龄、最长叶片长度、最长叶鞘长度、单蘖次生根、主茎幼穗分化期是冬前苗情快速评估的7个理想可靠指标,构成了冬前苗情评估的指标体系.适宜冬前公顷总苗量是750~1050万,三叶以上大...
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