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龙胆播种育苗苗床不同覆盖处理成苗效果的研究

Journal of Jilin Forestry Science and Technology(2011)

Cited 22|Views6
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Abstract
对龙胆播种育苗苗床进行3种覆盖处理试验,研究其对成苗效果的影响,结果表明:苗床不同覆盖处理的成苗数量差异达到极显著水平,F=77.05>5.49(F0.01),其中以C处理(播种后苗床上扣塑料拱棚,棚上再覆盖遮阳网,在苗床步道沟内灌水保持苗床湿润)的成苗效果最佳,平均成苗数量为752株·m-2,分别是B处理、A处理的138.3%和178.6%;在满足温度和湿度的前提下,弱度光照和良好的通风条件有利于种子萌发出土和小苗生长。
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Key words
effect on seedling,Gentiana scabra,seedling,cover treatment
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