【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更多还原

【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.更多还原