Control of Molinia caerulea by cutting management on sub-alpine grassland

Hejcman, Michal; Češková, Michaela; Pavlů, V.

doi:10.1016/j.flora.2010.04.019

Cited by 23 publications

(16 citation statements)

References 36 publications

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“…These values indicate a balanced annual N input-output relationship in the A and B treatments. This agrees with the results of other authors that have shown that N availability in low productive grasslands can be stabilized but not decreased by cutting and biomass removal management (Olde Venterink et al 2002, Hejcman et al 2010c). …”

Section: Annual Uptake Of Elements By Aboveground Biomasssupporting

confidence: 93%

The Rengen Grassland Experiment: relationship between soil and biomass chemical properties, amount of elements applied, and their uptake

et al. 2010

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The Rengen Grassland Experiment (RGE) was established in the Eifel Mountains (Germany) on a low productive Nardetum in 1941. Since then, the following fertilizer treatments have been applied with a late two-cut system: unfertilized control, Ca, CaN, CaNP, CaNPKCl and CaNPK 2 SO 4 . We aimed to understand how concentrations of macro (N, P, K, Ca and Mg), micro (Cu, Fe, Mn and Zn) and trace (As, Cd, Cr, Ni and Pb) elements in the plant biomass were affected by long-term fertilizer application, soil chemical properties and biomass production. In 2008, biomass samples from the first cut (early July) and the second cut (mid-October) were collected and analyzed. The simultaneous application of N, P and K decreased nitrogen concentration in the aboveground biomass, but substantially increased biomass production. Late cutting management decreased forage quality in highly productive more than in low productive plant communities. The concentrations of P and K in the plant biomass were positively related to P and K application and, therefore, to plant available P and K concentrations in the soil. The concentrations of some micro (Fe, Mn and Zn) and trace (As, Cd, Cr, Ni and Pb) elements in the plant biomass were negatively correlated with the amount of elements supplied by fertilizers and biomass production, probably because of the dilution effect. Long-term fertilizer application resulted in the accumulation of macro (P, Ca and Mg), micro (Fe and Mn) and trace (As and Cr) elements in the soil, but in many cases this accumulation was not connected with an increase in the concentrations of these elements in the plant biomass. Nutritional status, as indicated by the biomass N:P ratio, was consistent with N or P limitation as indicated by the nitrogen and phosphorus nutrition indices. Furthermore, additional K (co-) limitation was indicated by the N:K and K:P ratios in the biomass from the NP treatment. The results from the RGE indicate that there is no simple positive relationship between the applied elements and their concentrations in the plant biomass.

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Section: Annual Uptake Of Elements By Aboveground Biomasssupporting

confidence: 93%

The Rengen Grassland Experiment: relationship between soil and biomass chemical properties, amount of elements applied, and their uptake

et al. 2010

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“…Hay meadows in mountain areas are characterized by outstandingly high species richness and many endangered species, which are key elements of grassland conservation policy in the EU (Bakker and Berendse, 1999;Jongepierová et al, 2007;Lüth et al, 2011;Pullin et al, 2009). Mowing in general alters the competitive environment in grasslands by suppressing dominant graminoid competitors (Ilmarinen and Mikola, 2009;Hejcman et al, 2010) and favouring several characteristic grassland forbs (Stampfli and Zeiter, 1999;Klimek et al, 2007;Williams et al, 2007). Mowing also alters light availability in the ground layer (Bobbink et al, 1989) which can decrease the mortality of light-demanding seedlings (Tilman, 1993) and promote their survival (Overbeck et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

Is regular mowing the most appropriate and cost-effective management maintaining diversity and biomass of target forbs in mountain hay meadows?

Valkó

Török

Matus

et al. 2012

Flora - Morphology, Distribution, Functional Ecology of Plants

111

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“…The decline in grassland diversity over the last few decades is threatening the overall biological diversity and is a major conservation problem. Such decline is due to changes in agricultural management (intensive milk husbandry in cowsheds), as only a small proportion of grasslands are now being used for forage production and large areas of marginal grasslands have been abandoned (Hejcman et al, , 2010aIsselstein et al, 2005). The situation is the worst in less accessible mountain areas with low productivity, where semi-natural grasslands predominate.…”

Section: Introductionmentioning

confidence: 99%

Effect of long-term cutting versus abandonment on the vegetation of a mountain hay meadow (Polygono-Trisetion) in Central Europe

Pavlů

Gaisler

et al. 2011

Flora

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Control of Molinia caerulea by cutting management on sub-alpine grassland

Cited by 23 publications

References 36 publications

The Rengen Grassland Experiment: relationship between soil and biomass chemical properties, amount of elements applied, and their uptake

The Rengen Grassland Experiment: relationship between soil and biomass chemical properties, amount of elements applied, and their uptake

Is regular mowing the most appropriate and cost-effective management maintaining diversity and biomass of target forbs in mountain hay meadows?

Effect of long-term cutting versus abandonment on the vegetation of a mountain hay meadow (Polygono-Trisetion) in Central Europe

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