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不同改良措施对三江平原天然小叶章草场的改良效果及经济效益分析
The Effect and Economic Benefit of Different Improving Mdasures on Natural Grassland of Deyeuxia angustifolia in Sanjiang Plains
【摘要】 从对黑龙江省三江平原天然小叶章草场进行改良的结果看 ,“禁牧 +耙地 +施肥”是提高小叶章干草产量的最有效途径 ,但投入成本较高 ;“禁牧 +耙地”则是目前改良这类草场的最经济而又有效的手段
【Abstract】 Form the result of different improving measures for natural Deyeuxia angustiflria grassland in Heilongjiang Sanjiang plains, that the best way for enhancing hay yield is “inhibition grazing + harrow fields + fertilization” was concluded, but the cost is comparatively higher than the way of “inhibition grazing + harrow fields”, so the way of “inhibition grazing + harrow fields” is more econmical and practicable than the former.
【基金】 国家“九五”重大攻关课题资助
- 【文献出处】 中国草地 ,GRASSLAND OF CHINA , 编辑部邮箱 ,2000年05期
- 【分类号】S812.2
- 【被引频次】13
- 【下载频次】44