【摘要】 研究了１１种主要栽培牧草在不同矿物油投配量下的生育特性和生产性能。结果表明，适量的矿物油可使多数草种植株高度和叶面积增大，分蘖分枝数增多，产草量提高，叶片中叶绿素含量增加，其幅度因种而异。更多还原

【Abstract】 The characteristic and productivity of 11 herbage species under various mineral oil centent were report-ed in this paper.The results indicated that the irrigation with moderate mineral oil mixed in、water could in-crease the plant height,leaf area,tillering number,herbage yield and quantity of chlorophyll.These increasevariated in herbage species.更多还原