SHEN Zhong-bao,WANGJian-l i,LI Cheng-quan,et al.The Dynamical Studies on the Height and Yield of Mixed Grassland[J].HEILONGJIANG AGRICULTURAL SCIENCES,2007,(05):70-73.[doi:10.11942/j.issn1002-2767.2007.05.0070]
苜蓿+无芒雀麦混播草地株高、产草量动态研究
- Title:
- The Dynamical Studies on the Height and Yield of Mixed Grassland
- 文章编号:
- 1002 - 2767(2007)05 - 0070 - 04
- Keywords:
- mix-sowing g rassland; height ; y ield
- 分类号:
- S54
- 文献标志码:
- A
- 摘要:
- 通过对苜蓿+无芒雀麦混播人工草地进行了株高动态、产草量动态研究, 结果表明:从整个生长季来看, 混播降低了苜蓿的草层高度, 增加了无芒雀麦株高。播种当年混播草层产草量高于单播草层, 第二年, 混播草层产草量低于单播苜蓿产草量, 混播草层最高产草量到达时间晚于单播草层。
- Abstract:
- The dy namical studies on the height and yield o f mixed g rassland w ere co nducted. The results show ed tha t in all seasons, mix-sowing decr eased the Medicago’ s height , but raised those o f Br omus inermis. The yie ld o f mix tur e g ra ssla nd w as low er than that of cor respo nding sing le Medicago g rassland in first y ear. The yie ld o f mix ture g rassland w as hig he r tha n that o f co rr esponding single Medicag o g ra ssla nd in the seco nd y ear. The time when mixture g rassland reached its ma ximum bioma ss w as later than that of sing le g rassland.
参考文献/References:
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[ 7] 石永红, 符义坤, 李阳春, 等. 半荒漠地区绿洲混播牧草群落稳定性与调控研究[ J] . 草业学报, 2000 , 9(3):1-7.
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备注/Memo
收稿日期:2007 - 04 - 25
第一作者简介:申忠宝(1973 -), 男, 黑龙江省讷河市人, 助研, 从事杂粮产品研发工作。Tel :0451 - 86694655;E - mail:shzhbao2 @126. com 。