放牧及刈割强度对鸭茅密度及能量积累的影响

放牧及刈割强度对鸭茅密度及能量积累的影响

Q142; The population density, caloric value and energy accumulation of Dactylis. Glorneratawere significantly increased after moderate grazing. Tuft size was decreased, while the tuft density was significantly increased due to the high grazing in tensity which showed the different reproductive strat...

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Veröffentlicht in:应用生态学报 2001, Vol.12 (6), p.955-957
Hauptverfasser: 包国章, 李向林, 白静仁
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creator 包国章
李向林
白静仁
description Q142; The population density, caloric value and energy accumulation of Dactylis. Glorneratawere significantly increased after moderate grazing. Tuft size was decreased, while the tuft density was significantly increased due to the high grazing in tensity which showed the different reproductive strategies on the sites with various grazing intensities. Both inadequate grazing and over-grazing lowered the density and energy accumulation of D. Glomerata. 65 % rate of consumption of the grasses, or 4 times of mowing in 1 year contributed to the rapid growth of D. Glomerata and the sustainable devel opment of the grassland.
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title 放牧及刈割强度对鸭茅密度及能量积累的影响
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