2008
DOI: 10.2137/145960610792912602
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Development of yield and nutritive value of timothy in primary growth and regrowth in northern growing conditions

Abstract: The development of the yield and nutritive value of timothy (Phleum pratense L.) both in the primary growth and in the regrowth were studied at MTT Plant Production Research, a unit of MTT Agrifood Research Finland, in Rovaniemi (66°35´N) in 1999-2001. The dry matter yield and leaf to stem ratio were measured from the crop samples, and the contents of crude protein and organic matter digestibility of both whole plant samples and leaf and stem fractions were analysed. In primary growth, the most rapid increase… Show more

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Cited by 13 publications
(16 citation statements)
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“…Species differences in DM proportions of leaves, stems and flowers partially explain this. In this study, the stem proportion of the total DM harvested at flowering of timothy was similar to that of other studies (Nissinen et al ., ) whereas perennial ryegrass had lower stem proportion than found by Bartholomew and Chestnutt (). This difference could be the result of a possibly non‐optimal vernalization of perennial ryegrass in the greenhouse environment.…”
Section: Discussionmentioning
confidence: 97%
“…Species differences in DM proportions of leaves, stems and flowers partially explain this. In this study, the stem proportion of the total DM harvested at flowering of timothy was similar to that of other studies (Nissinen et al ., ) whereas perennial ryegrass had lower stem proportion than found by Bartholomew and Chestnutt (). This difference could be the result of a possibly non‐optimal vernalization of perennial ryegrass in the greenhouse environment.…”
Section: Discussionmentioning
confidence: 97%
“…5 ), the relative effects of harvest date, management regimes and species on DMD were intermediate between the effects of these factors on NC on the one hand and NDF and DMC on the other hand. Although the influence of a number of factors on leaf digestibility has been assessed at the intraspecific level ( Groot et al 1999 ; Duru 2008 ; Nissinen et al 2010 ), these have generally been done for each factor individually, making the comparison with our findings difficult. Only the study of Beni de Sousa et al (1982) considered the relative importance of different fibre components on DMD and the leaf tensile strength of a grass species at the whole-plant level.…”
Section: Discussionmentioning
confidence: 99%
“…The Korhonen et al (2018) study with BASGRA, Canadian timothy model CATIMO and the soil crop model STIC for timothy included results from Rovaniemi in 1999-2001 for a trial with fertilizer rates and harvesting schedule treatments, and the studied growth models gave rather similar yield predictions as the observed results. Winter damage in that trial was small ranging from 7% to 20% (Nissinen et al 2010). Our results indicate that the overwintering of timothy and meadow fescue in Rovaniemi has most likely improved due to shorter snow cover period and adequate cold acclimation in the autumns.…”
Section: Performance Of Timothy Meadow Fescue and Tall Fescuementioning
confidence: 63%
“…Optimal cutting schedule and fertilizer application are important issues to be solved to benefit from the improved growing conditions in Lapland. However, the nitrogen fertilizer rates 80 and 100 kg N ha -1 for both cuts for timothy -difference of 40 kg N ha -1 in a season -in the study of Nissinen et al (2010) resulted to relatively small differences in average yields in their study in years 1999-2001. The yield in the first and second cut was 4115 vs 4034 kg DM ha -1 and 3544 vs 3852 kg DM ha -1 at the 80 and 100 N kg ha -1 fertilizer rates, respectively.…”
Section: Challenges For Management and Choice Of Speciesmentioning
confidence: 94%
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