不同遮荫度蜜桔林对几种牧草生长的影响
首发时间:2006-10-26
摘要:试验研究了蜜桔林下不同遮荫度(0,20.38%,50.49%,67.38%,69.69%)对几种牧草生长的影响。结果表明:遮荫度的大小直接影响牧草的生长,牧草的草层高、光合速率和生物量。在遮荫度达到一定的条件下,牧草的生物量可以达到最高。在全光照(遮荫度为0)下扁穗牛鞭草生物最高,高羊茅的最适遮荫度为50.49%,鸭茅的最适遮荫度为67.38%。
关键词: 遮荫度 牧草 蜜桔林
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Effects of Shading on Growth of Four Herbages under Orange Stand
Abstract:The effect of shading on four herbages in the orange orchard was analyzed.Mainly account for the effects on the grows of each herbage at height,photosynthetic rate and the biomass.The results showed that the shading affects the herbages’ growth, height, photosynthesis’ speed and quality of biology. Some herbage can grow best under the suited shading. The best environment for growth of Hemarthria compressal (L.f)R.Br is under the sunshine without shading,Festuca arundinecea L had a better productivity at the level of shading of 50.49% than that in other conditions,and Dactylis glomerata L had the best development at level of shading of 67.38%.
Keywords: shading herbage orange stand
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No.9015882551161867****
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不同遮荫度蜜桔林对几种牧草生长的影响
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