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1试验基本情况试验地设在五九七农场一分场一队3号地，前茬小麦，伏深松，排水良好，秋起垄夹肥，土壤有机质5％，pH值为8．5，速效氮含量为41．21mg／kg，速效磷含量为56．12mg／kg，速效钾含量为60．00mg／kg，锌含量为1．25mg／kg。采用大区对比方法，每处理667m2，公顷保苗
1 The basic situation of the experiment The experiment is located in a 9797 farm on the 1st team of a team of 3, the former crop of wheat, volts subsoiling, drainage well, autumn ridge clip fertilizer, soil organic matter 5%, pH 8.5, Available nitrogen content of 41.21mg / kg, available phosphorus content of 56.12mg / kg, available potassium content of 60.00mg / kg, zinc content of 1.25mg / kg. Using large area contrast method, each treatment 667m2, hectare seedlings