Effect of Increasing Doses of Mineral Nitrogen Fertilization on Chemical Composition of Lucerne (Medicago Sativa L.) Under Optimum Water Supply and Water Deficiency Stress

Vasileva, V.

doi:10.7904/2068-4738-iv(07)-80

Cited by 3 publications

(3 citation statements)

References 12 publications

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“…In regard to nutrient concentration, it seems that differences between treatments could be detected mainly in roots in comparison with lucerne forage, where no differences were observed. Obtained values of nutrient concentration are in correspondence with results of Vasileva (2013). The higher nodulation intensity, root N concentration and uptake by Oslava variety support the idea that it could be related to its improved N 2 fixation, when breeding for this property was described by C h l o u p e k et al (1996).…”

Section: Discussionsupporting

confidence: 81%

“…Furthermore, the fact that also N 2 fixation naturally enhanced phosphatase activity (H o u l t o n et al, 2008) must be taken into account. It must be also remembered, that the water deficiency stress could changed nutrient concentration and uptake in lucerne forage (Vasileva, 2013) Forage N concentration showed inverse relation to the DMY in the cuts, indicating a dilution effect in accordance with O l i v i e r a et al (2004). However, neither variety, seed inoculation, nor their interaction influenced forage N concentration or uptake.…”

Section: Discussionmentioning

confidence: 67%

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The effect of lucerne seed inoculation on yield and quality of two different varieties

Mášková¹,

Hakl²,

Šantrůček³

et al. 2013

SAB

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Seed inoculation belongs among factors improving lucerne N 2 fixation. The aim of this study was to investigate the effect of seed inoculation on forage yield and nutrient concentration in respect to different types of lucerne varieties. The field plot experiment with lucerne monoculture was conducted in rich-nutrient Luvisol in 2011-2012. There were two varieties (Jarka, Oslava) and three variants of seed inoculation (control without inoculation, Rizobin LF, Nitrazon + N) in completely randomized design with four replicates. Differences in mineral concentration between treatments were detected in roots, while no differences were observed in lucerne forage. Oslava variety bred for higher N 2 fixation reached higher nodulation intensity, root N concentration, and uptake. This variety also increased yield and root N uptake where seed inoculation was used, mainly by Nitrazon. The cv. Jarka did not provide constant positive reaction on seed inoculation in all evaluated traits with slightly better response to Rizobin inoculation. In the field condition, it seems that seed inoculation does not need to have a general positive effect on lucerne yield and quality under rich-nutrient soil. However, our results support the idea that specific interaction between seed inoculants and lucerne variety could have a potential for improving forage yield.

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Section: Discussionsupporting

confidence: 81%

Section: Discussionmentioning

confidence: 67%

The effect of lucerne seed inoculation on yield and quality of two different varieties

Mášková¹,

Hakl²,

Šantrůček³

et al. 2013

SAB

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“…Varieties and their genetic characteristics crucially determine the volume and stability of yield, as well as the quality of alfalfa forage [STANISAVLJEVIĆ, 2008, SAMFIRA et al, 20142012;BUTU et al, 2014a, STOLERU et al, 2016 . Growth stage, cut number, stand density, moisture conditions at harvest and processing method are the most important causes of variation for yield of alfalfa [VERONESI et al, 2010;VASILEVA, 2013, PETRACHE et al, 2014, BARBAT 2013, BUTU et al, 2015 .…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Romanian alfalfa varieties under the agro–environmental conditions in northern Bulgaria

Marinova¹,

Ivanova²,

Zhekova³

2018

bjbabe

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The aim of the present study was to determine forage productivity, crude protein content, grass stand height and regrowth rate of Romanian alfalfa varieties in the specific agroenvironmental conditions in Northern Bulgaria during four growing seasons. Six Romanian alfalfa varieties-Catinca, Magnat, Madalina, Sandra, Roxana and Daniela were included in the experiment. Bulgarian Prista 3 variety was used as a standard. The analysis of results for studied traits showed that with good performance concerning both forage productivity and rapid recovery after cutting Sandra variety was distinguished. Regarding dry matter yield and crude protein content, for four years of study no significant differences were detected among the alfalfa varieties. The yields of Romanian varieties were satisfactory and less below (2.22 %) the average yield produced by Prista 3 local variety. With respect to the crude protein (CP) content, as the most important quality parameter, the studied varieties fall into the medium CP content group, excepting Prista 3 and Roxana varieties falling into the high CP content group. There were found statistically significant differences among the varieties regarding grass stand height and regrowth rate after cutting. The studied Romanian varieties are characterized by high forage productivity and high crude protein content in dry matter. They could be evaluated as the varieties suitable for cultivation in the conditions of the Northern Bulgaria.

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The Productivity and Quality of Alfalfa (Medicago sativa L.) in Romanian Forest Steppe

Stavarache

Samuil

Popovici

et al. 2015

Not Bot Horti Agrobo

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Alternative use of alfalfa, for various purposes, including the production of biofuels or food supplement for human alimentation, is a study topic still in its early stages of research. Studying and understanding the biology of alfalfa and the factors with a major influence on it are very important activities. The productivity and quality of alfalfa are two indicators that help determine, in addition to economic value, the way in which alfalfa can be used. Evolution of alfalfa yield and quality depends on many factors, such as the growth stage of alfalfa plants at harvesting. It was observed over three years of vegetation the influence of alfalfa plant growth stage at harvest on plant height, leaves/stems ratio, production of leaves, stems and whole plant (DM - dry matter) per hectare and on quality indicators (CP - crude protein, NDF - neutral detergent fiber and ADF - acid detergent fiber). The results showed that, with the advancement of phenological phases, from early bud stage to complete flowering, the total biomass output raised from 2.79 MgÂ·ha-1 to 4.60 MgÂ·ha-1, the neutral detergent fiber raised from 48.4-50.6% to 62.0-67.7%, while crude protein content decreased from 21.2-24.0% to 13.3-16.5%. The parameter values were correlated with alfalfa growth stage during the harvesting (significant at the 0.05 and 0.01 probability levels).

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Effect of Increasing Doses of Mineral Nitrogen Fertilization on Chemical Composition of Lucerne (Medicago Sativa L.) Under Optimum Water Supply and Water Deficiency Stress

Cited by 3 publications

References 12 publications

The effect of lucerne seed inoculation on yield and quality of two different varieties

The effect of lucerne seed inoculation on yield and quality of two different varieties

Evaluation of Romanian alfalfa varieties under the agro–environmental conditions in northern Bulgaria

The Productivity and Quality of Alfalfa (Medicago sativa L.) in Romanian Forest Steppe

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